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Area Code 443 Detail

State Major City Time Zone
Maryland Baltimore Eastern (11:43PM)

Major Cities in Area Code 443

Prefix City 1 City 2 City 3 City 4 City 5
443Annapolis, MDArbutus, MDArnold, MDBaltimore, MDBel Air North, MD
443Bel Air South, MDCarney, MDCatonsville, MDColumbia, MDCrofton, MD
443Dundalk, MDEdgewood, MDEldersburg, MDElkridge, MDEllicott City, MD
443Essex, MDGlen Burnie, MDLochearn, MDMiddle River, MDMilford Mill, MD
443Odenton, MDParkville, MDPerry Hall, MDPikesville, MDRandallstown, MD
443Reisterstown, MDSalisbury, MDSevern, MDSeverna Park, MDSouth Gate, MD
443Towson, MD

Aria Code 443 Prefixes

Prefix Primary City Company County Usage Introduced
443 - 200Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers02/21/2001
443 - 201Westminster, MDCellco Partnership DBA Verizon Wireless - MDCarroll CountyWireless Numbers12/01/2011
443 - 202Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers01/09/2012
443 - 203West River, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers03/03/2001
443 - 204Pikesville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers05/15/2003
443 - 205Cambridge, MDSprint Spectrum L.p.Dorchester CountyWireless Numbers01/20/2004
443 - 206Perryville, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers01/14/2000
443 - 207Elkton, MDOmnipoint Communications Enterprises, L.p.Cecil CountyWireless Numbers08/14/1998
443 - 208Essex, MDSprint Spectrum L.p.Baltimore CountyLandline Numbers02/01/2011
443 - 209Havre De Grace, MDCavalier Telephone, LLC (mid-atlantic) - MDHarford CountyLandline Numbers02/27/1999
443 - 210Aberdeen, MDSprint Spectrum L.p.Harford CountyLandline Numbers09/30/2011
443 - 212Sparks Glencoe, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers08/14/1998
443 - 213Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers05/18/1998
443 - 214Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyLandline Numbers10/11/2011
443 - 215Chestertown, MDCore Communications, Inc. - MDKent CountyLandline Numbers01/14/2000
443 - 216Dundalk, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 217Annapolis, MDCore Communications, Inc. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 218Reisterstown, MDGlobal Crossing Local Services, Inc.-mdBaltimore CountyLandline Numbers07/22/1999
443 - 219Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 220Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers11/20/1998
443 - 221Annapolis, MDLevel 3 Communications, LLC - MDAnne Arundel CountyLandline Numbers08/20/2000
443 - 222Reisterstown, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 223Annapolis, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers10/13/1999
443 - 224Baltimore, MDMci Worldcom Communications, Inc. - MDBaltimore City CountyLandline Numbers05/10/1999
443 - 225Cambridge, MDSprint Spectrum L.p.Dorchester CountyLandline Numbers01/20/2004
443 - 226Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers08/14/1998
443 - 227Port Deposit, MDCtc Communications Corp. - MDCecil CountyLandline Numbers01/14/2000
443 - 228Middle River, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers06/30/2001
443 - 229Severna Park, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/10/2001
443 - 230Odenton, MDCtc Communications Corp. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 231Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 232Willards, MDCavalier Telephone, LLC (mid-atlantic) - MDWicomico CountyLandline Numbers11/20/1998
443 - 233Mardela Springs, MDCavalier Telephone, LLC (mid-atlantic) - MDWicomico CountyLandline Numbers11/20/1998
443 - 234Snow Hill, MDCavalier Telephone, LLC (mid-atlantic) - MDWorcester CountyLandline Numbers11/20/1998
443 - 235Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers10/13/1999
443 - 236Cardiff, MDCore Communications, Inc. - MDHarford CountyLandline Numbers01/14/2000
443 - 237North Beach, MDCore Communications, Inc. - MDCalvert CountyLandline Numbers01/14/2000
443 - 238Parkton, MDCtc Communications Corp. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 239Easton, MDNew Cingular Wireless PCS, LLC - DCTalbot CountyWireless Numbers01/20/2004
443 - 240Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers01/27/2012
443 - 241Westminster, MDGlobal Naps South, Inc. - MDCarroll CountyLandline Numbers01/14/2000
443 - 242Sparrows Point, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 243Fallston, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers10/13/1999
443 - 244Westminster, MDLevel 3 Communications, LLC - MDCarroll CountyLandline Numbers10/13/1999
443 - 245Elkton, MDCavalier Telephone, LLC (mid-atlantic) - MDCecil CountyLandline Numbers02/27/1999
443 - 246Elkton, MDCore Communications, Inc. - MDCecil CountyLandline Numbers01/14/2000
443 - 247Union Bridge, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 248Catonsville, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers01/15/2007
443 - 249Stevensville, MDVerizon Maryland, Inc.Queen Annes CountyLandline Numbers07/22/1999
443 - 250Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers08/14/1998
443 - 251Chestertown, MDLocal Access LLC - MDKent CountyWireless Numbers08/16/2013
443 - 252Perryville, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers09/08/2009
443 - 253Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers08/14/1998
443 - 254Annapolis, MDOmnipoint Communications Cap Operations, LLCAnne Arundel CountyWireless Numbers06/13/2000
443 - 255Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers07/22/1999
443 - 256North East, MDCtc Communications Corp. - MDCecil CountyLandline Numbers01/14/2000
443 - 257Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/14/1998
443 - 258Easton, MDNew Cingular Wireless PCS, LLC - DCTalbot CountyWireless Numbers07/22/1999
443 - 259Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers08/14/1998
443 - 260Salisbury, MDVerizon Maryland, Inc.Wicomico CountyLandline Numbers07/22/1999
443 - 261Severna Park, MDMci Worldcom Communications, Inc. - MDAnne Arundel CountyLandline Numbers06/13/2000
443 - 262Centreville, MDVerizon Maryland, Inc.Queen Annes CountyLandline Numbers01/14/2000
443 - 263Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers07/22/1999
443 - 264Pikesville, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 265Fork, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 266Glenwood, MDGlobal Crossing Local Services, Inc.-mdHoward CountyLandline Numbers07/22/1999
443 - 267Darlington, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 268Baltimore, MDCore Communications, Inc. - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 269Towson, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 270Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 271Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers10/21/2002
443 - 272Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 273Reisterstown, MDTeleport Communications America, LLC - MDBaltimore CountyLandline Numbers08/14/1998
443 - 274Severn, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers10/13/1999
443 - 275Baltimore, MDComcast Phone Of Northern Maryland, Inc. - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 276Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 277Sykesville, MDSprint Spectrum L.p. - MDCarroll CountyWireless Numbers07/22/1999
443 - 278Baltimore, MDVdl, Inc. DBA Global Telecom Brokers - MDBaltimore City CountyLandline Numbers10/02/2003
443 - 279Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 280Sykesville, MDNew Cingular Wireless PCS, LLC - DCCarroll CountyWireless Numbers08/14/1998
443 - 281Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 282Chestertown, MDSprint Spectrum L.p.Kent CountyWireless Numbers10/04/2004
443 - 283Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 284Jessup, MDXo Maryland, LLCHoward CountyLandline Numbers01/14/2000
443 - 285Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers10/13/1999
443 - 286Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/14/1998
443 - 287Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers07/22/1999
443 - 288Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 289Westminster, MDMci Worldcom Communications, Inc. - MDCarroll CountyLandline Numbers05/16/2011
443 - 290Parkville, MDTw Telecom Of Maryland LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 291Hampstead, MDGlobal Crossing Local Services, Inc.-mdCarroll CountyLandline Numbers07/22/1999
443 - 292Laurel, MDLevel 3 Communications, LLC - MDPrince Georges CountyLandline Numbers10/13/1999
443 - 293Westminster, MDGlobal Crossing Local Services, Inc.-mdCarroll CountyLandline Numbers07/22/1999
443 - 294West River, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 295Prince Frederick, MDLevel 3 Communications, LLC - MDCalvert CountyLandline Numbers10/13/1999
443 - 296Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 297Arbutus, MDTeleport Communications America, LLC - MDBaltimore CountyLandline Numbers08/14/1998
443 - 298Easton, MDNew Cingular Wireless PCS, LLC - DCTalbot CountyWireless Numbers11/15/2002
443 - 299Fallston, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 300Sykesville, MDBroadwing Communications. LLC - MDCarroll CountyLandline Numbers08/20/2000
443 - 301Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers04/05/2012
443 - 302Crofton, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 303Aberdeen, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 304Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 305Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 306Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers08/14/1998
443 - 307Bel Air, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 308Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 309Elkton, MDSprint Spectrum L.p.Cecil CountyWireless Numbers11/20/1998
443 - 310Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers10/31/2000
443 - 312Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 313Fork, MDGlobal Crossing Local Services, Inc.-mdBaltimore CountyLandline Numbers07/22/1999
443 - 314Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers02/01/2011
443 - 315Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 316Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 317Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 318Cockeysville, MDCavalier Telephone, LLC (mid-atlantic) - MDBaltimore CountyLandline Numbers11/20/1998
443 - 319Columbia, MDCavalier Telephone, LLC (mid-atlantic) - MDHoward CountyLandline Numbers11/20/1998
443 - 320Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 321Annapolis, MDPaetec Communications, Inc. - MDAnne Arundel CountyLandline Numbers06/13/2000
443 - 322Towson, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 323Rhodesdale, MDCavalier Telephone, LLC (mid-atlantic) - MDDorchester CountyLandline Numbers11/20/1998
443 - 324Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers07/22/1999
443 - 325Ellicott City, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers11/20/1998
443 - 326Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers02/21/2001
443 - 327Aberdeen, MDCavalier Telephone Mid-atlantic, LLC - MDHarford CountyLandline Numbers03/03/2001
443 - 328Sykesville, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 329Jessup, MDGlobal Crossing Local Services, Inc.-mdHoward CountyLandline Numbers02/27/1999
443 - 330Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 331Taneytown, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 332Crofton, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/09/2001
443 - 333Annapolis, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Anne Arundel CountyWireless Numbers02/13/2009
443 - 334Towson, MDAllegiance Telecom, Inc. - MDBaltimore CountyLandline Numbers03/14/2001
443 - 335Brooklyn, MDXo Maryland, LLCBaltimore City CountyLandline Numbers01/14/2000
443 - 336Annapolis, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 337Sparrows Point, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 338Sparks Glencoe, MDCtc Communications Corp. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 339Sherwood Forest, MDCtc Communications Corp. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 340Westminster, MDCellco Partnership DBA Verizon Wireless - MDCarroll CountyWireless Numbers10/13/1999
443 - 341Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 342Solomons, MDCtc Communications Corp. - MDCalvert CountyLandline Numbers01/14/2000
443 - 343Millersville, MDTeleport Communications America, LLC - MDAnne Arundel CountyLandline Numbers02/27/1999
443 - 344Severna Park, MDCore Communications, Inc. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 345Aberdeen, MDLevel 3 Communications, LLC - MDHarford CountyLandline Numbers10/13/1999
443 - 346Severna Park, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers01/14/2000
443 - 347Cardiff, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 348Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 349Westminster, MDCore Communications, Inc. - MDCarroll CountyLandline Numbers01/14/2000
443 - 350Elkton, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers08/20/2000
443 - 351Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers06/13/2000
443 - 352Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers11/20/1998
443 - 353Cockeysville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers03/19/2004
443 - 354Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers07/22/1999
443 - 355Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers07/22/1999
443 - 356Bel Air, MDLevel 3 Communications, LLC - MDHarford CountyLandline Numbers07/22/1999
443 - 357Pikesville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers10/13/1999
443 - 358Salisbury, MDYmax Communications Corp. - MDWicomico CountyLandline Numbers02/17/2011
443 - 359Delmar, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers06/13/2000
443 - 360Aberdeen, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers08/14/1998
443 - 361Sykesville, MDCore Communications, Inc. - MDCarroll CountyLandline Numbers01/14/2000
443 - 362Easton, MDOmnipoint Communications Cap Operations, LLCTalbot CountyWireless Numbers06/13/2000
443 - 363Severn, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers01/14/2000
443 - 364Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 365Salisbury, MDOmnipoint Communications Cap Operations, LLCWicomico CountyWireless Numbers06/13/2000
443 - 366Salisbury, MDSprint Spectrum L.p.Wicomico CountyWireless Numbers04/17/2001
443 - 367Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers06/13/2000
443 - 368Westminster, MDCore Communications, Inc. - MDCarroll CountyLandline Numbers01/14/2000
443 - 369Bel Air, MDCore Communications, Inc. - MDHarford CountyLandline Numbers01/14/2000
443 - 370Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyLandline Numbers10/31/2000
443 - 371Bel Air, MDBroadwing Communications. LLC - MDHarford CountyLandline Numbers10/31/2000
443 - 372Edgewood, MDUs Lec Of Maryland, Inc.Harford CountyLandline Numbers03/19/2001
443 - 373Ocean City, MDSprint Spectrum L.p.Worcester CountyWireless Numbers10/31/2000
443 - 374Aberdeen, MDCavalier Telephone, LLC (mid-atlantic) - MDHarford CountyLandline Numbers02/27/1999
443 - 375Hampstead, MDSprint Spectrum L.p. - MDCarroll CountyWireless Numbers08/20/2000
443 - 376Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 377Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers06/09/2010
443 - 378Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers07/27/2004
443 - 379Pikesville, MDComcast Phone Of Northern Maryland, Inc. - MDBaltimore CountyLandline Numbers02/23/2007
443 - 380Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 381Reisterstown, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 382Cambridge, MDCore Communications, Inc. - MDDorchester CountyLandline Numbers01/14/2000
443 - 383Westminster, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 384Parkville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 385Easton, MDCore Communications, Inc. - MDTalbot CountyLandline Numbers01/14/2000
443 - 386Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers02/27/1999
443 - 387Pocomoke, MDCore Communications, Inc. - MDWorcester CountyLandline Numbers01/14/2000
443 - 388Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers04/13/2006
443 - 389Salisbury, MDCore Communications, Inc. - MDWicomico CountyLandline Numbers01/14/2000
443 - 390Churchville, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 391Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 392Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers05/10/1999
443 - 393Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 394Pikesville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers11/20/1998
443 - 395Aberdeen, MDVerizon Maryland, Inc.Harford CountyLandline Numbers08/13/2009
443 - 396Odenton, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 397Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers04/06/2009
443 - 398Sykesville, MDSprint Spectrum L.p. - MDCarroll CountyWireless Numbers03/15/2001
443 - 399Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 400Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 401Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/17/2011
443 - 402Edgewood, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 403Aberdeen, MDBroadwing Communications. LLC - MDHarford CountyLandline Numbers06/20/2001
443 - 404Solomons, MDSprint Spectrum L.p.Calvert CountyWireless Numbers10/31/2000
443 - 405Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 406Elkton, MDTeleport Communications America, LLC - MDCecil CountyLandline Numbers02/27/1999
443 - 407Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 408Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 409Edgewood, MDCavalier Telephone Mid-atlantic, LLC - MDHarford CountyLandline Numbers10/31/2000
443 - 410Baltimore, MDCenturylink Communications LLCBaltimore City CountyLandline Numbers06/21/2013
443 - 412Churchville, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 413Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 414Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 415Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 416Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 417Fallston, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 418Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/10/1999
443 - 419Glenwood, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers10/31/2000
443 - 420Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 421Fork, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers08/14/1998
443 - 422Glen Burnie, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Anne Arundel CountyWireless Numbers02/13/2009
443 - 423Baltimore, MDBroadwing Communications. LLC - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 424Cardiff, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 425Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 426Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers06/30/2001
443 - 427Princess Anne, MDCore Communications, Inc. - MDSomerset CountyLandline Numbers01/14/2000
443 - 428Cockeysville, MDCore Communications, Inc. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 429Woodlawn, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 430Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers05/18/2001
443 - 431Randallstown, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 432Prince Frederick, MDCtc Communications Corp. - MDCalvert CountyLandline Numbers01/14/2000
443 - 433Annapolis, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers02/21/2001
443 - 434Federalsburg, MDComcast Phone Of Northern Maryland, Inc. - MDCaroline CountyLandline Numbers11/01/2004
443 - 435Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers02/01/2011
443 - 436Woodlawn, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers11/20/1998
443 - 437Pocomoke, MDTeleport Communications America, LLC - MDWorcester CountyLandline Numbers11/01/2004
443 - 438Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/08/2008
443 - 439Trappe, MDCellco Partnership DBA Verizon Wireless - MDTalbot CountyLandline Numbers11/01/2004
443 - 440Annapolis, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers03/03/2001
443 - 441Glenwood, MDTeleport Communications America, LLC - MDHoward CountyLandline Numbers02/27/1999
443 - 442Parkville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/09/2001
443 - 444Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers10/13/2005
443 - 445Elkridge, MDVerizon Maryland, Inc.Howard CountyLandline Numbers06/30/2001
443 - 446Queenstown, MDMci Worldcom Communications, Inc. - MDQueen Annes CountyLandline Numbers11/01/2004
443 - 447Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers12/15/2008
443 - 448Denton, MDComcast Phone Of Northern Maryland, Inc. - MDCaroline CountyLandline Numbers11/01/2004
443 - 449Baltimore, MDBroadview Networks, Inc. - MDBaltimore City CountyLandline Numbers03/28/2007
443 - 450Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers05/10/1999
443 - 451Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 452Baltimore, MDUs Lec Of Maryland, Inc.Baltimore City CountyLandline Numbers09/07/2005
443 - 453Baltimore, MDNeutral Tandem-maryland, LLC - MDBaltimore City CountyLandline Numbers10/12/2007
443 - 454Annapolis, MDOmnipoint Communications Cap Operations, LLCAnne Arundel CountyWireless Numbers03/03/2001
443 - 455Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers03/09/2006
443 - 456Edgewood, MDAT&T LocalHarford CountyLandline Numbers03/03/2001
443 - 457Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 458Annapolis, MDAllegiance Telecom, Inc. - MDAnne Arundel CountyLandline Numbers03/03/2001
443 - 459Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers03/03/2001
443 - 460Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 461Parkville, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers06/13/2000
443 - 462Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers11/06/2008
443 - 463Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers02/27/1999
443 - 464Churchville, MDBroadview Networks, Inc. - MDHarford CountyLandline Numbers03/16/2010
443 - 465Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers06/13/2000
443 - 466Elkton, MDSprint Spectrum L.p.Cecil CountyWireless Numbers05/10/1999
443 - 467Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers03/20/2009
443 - 468Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers04/04/2007
443 - 469Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers03/20/2009
443 - 470Towson, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers04/29/2008
443 - 471Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers06/13/2000
443 - 472Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 473Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers03/28/2007
443 - 474Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers02/27/1999
443 - 475Baltimore, MDMci Worldcom Communications, Inc. - MDBaltimore City CountyLandline Numbers06/01/2011
443 - 476Annapolis, MDVerizon Maryland, Inc.Anne Arundel CountyWireless Numbers11/20/1998
443 - 477Cambridge, MDCellco Partnership DBA Verizon Wireless - MDDorchester CountyWireless Numbers01/13/2007
443 - 478Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers03/06/2009
443 - 479Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers11/20/1998
443 - 480Chestertown, MDCellco Partnership DBA Verizon Wireless - MDKent CountyWireless Numbers08/20/2000
443 - 481Annapolis, MDUs Lec Of Maryland, Inc.Anne Arundel CountyLandline Numbers06/30/2001
443 - 482Annapolis, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers11/20/1998
443 - 483Cardiff, MDBroadwing Communications. LLC - MDHarford CountyLandline Numbers08/20/2000
443 - 484Edgewood, MDBroadwing Communications. LLC - MDHarford CountyLandline Numbers08/20/2000
443 - 485Elkton, MDBroadwing Communications. LLC - MDCecil CountyLandline Numbers08/20/2000
443 - 486Prince Frederick, MDBroadwing Communications. LLC - MDCalvert CountyLandline Numbers08/20/2000
443 - 487Westminster, MDBroadwing Communications. LLC - MDCarroll CountyLandline Numbers08/20/2000
443 - 488Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers06/23/2010
443 - 489Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers02/27/1999
443 - 490Edgewood, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 491Parkton, MDGlobal Crossing Local Services, Inc.-mdBaltimore CountyLandline Numbers07/22/1999
443 - 492Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 493Delmar, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers03/06/2009
443 - 494Millersville, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 495Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 496Easton, MDSprint Spectrum L.p.Talbot CountyWireless Numbers08/14/1998
443 - 497Salisbury, MDSprint Spectrum L.p.Wicomico CountyWireless Numbers08/14/1998
443 - 498Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 499Jarrettsville, MDGlobal Crossing Local Services, Inc.-mdHarford CountyLandline Numbers07/22/1999
443 - 500Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers03/20/2009
443 - 501Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 502Havre De Grace, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 503Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 504Fallston, MDCavalier Telephone Mid-atlantic, LLC - MDHarford CountyLandline Numbers10/31/2000
443 - 505Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 506Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers06/13/2000
443 - 507Hampstead, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 508Hampstead, MDCavalier Telephone Mid-atlantic, LLC - MDCarroll CountyLandline Numbers10/31/2000
443 - 509Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers02/10/2009
443 - 510Annapolis, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers12/04/2007
443 - 512Edgewood, MDVerizon Maryland, Inc.Harford CountyLandline Numbers07/22/1999
443 - 513Berlin, MDNew Cingular Wireless PCS, LLC - DCWorcester CountyWireless Numbers10/31/2000
443 - 514Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers06/13/2000
443 - 515Cambridge, MDCellco Partnership DBA Verizon Wireless - MDDorchester CountyWireless Numbers06/08/2009
443 - 516Sykesville, MDGlobal Crossing Local Services, Inc.-mdCarroll CountyLandline Numbers07/22/1999
443 - 517Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 518Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers12/16/2008
443 - 519Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 520Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers02/27/1999
443 - 521Cambridge, MDCellco Partnership DBA Verizon Wireless - MDDorchester CountyWireless Numbers01/14/2000
443 - 522Reisterstown, MDPaetec Communications, Inc. - MDBaltimore CountyLandline Numbers06/30/2001
443 - 523Salisbury, MDVerizon Maryland, Inc.Wicomico CountyLandline Numbers08/20/2000
443 - 524Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 525Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers03/20/2009
443 - 526Havre De Grace, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 527Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers03/19/2001
443 - 528Bel Air, MDSprint Spectrum L.p.Harford CountyWireless Numbers08/20/2000
443 - 529Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers07/22/2008
443 - 530Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers06/30/2001
443 - 531Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers03/20/2009
443 - 532Prince Frederick, MDSprint Spectrum L.p.Calvert CountyWireless Numbers08/20/2000
443 - 533Jarrettsville, MDTeleport Communications America, LLC - MDHarford CountyLandline Numbers02/27/1999
443 - 534Annapolis, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyLandline Numbers01/15/2001
443 - 535Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers02/27/1999
443 - 536Westminster, MDSprint Spectrum L.p.Carroll CountyWireless Numbers08/20/2000
443 - 537Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers05/22/2009
443 - 538Columbia, MDOmnipoint Communications Cap Operations, LLCHoward CountyWireless Numbers06/20/2001
443 - 539Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers01/14/2000
443 - 540Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers03/03/2001
443 - 541Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 542Columbia, MDComcast Phone Of Northern Maryland, Inc. - MDHoward CountyLandline Numbers06/30/2001
443 - 543Arbutus, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers05/10/1999
443 - 544Pikesville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 545Columbia, MDBroadwing Communications. LLC - MDHoward CountyLandline Numbers05/18/2001
443 - 546Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers05/18/1998
443 - 547Westminster, MDCellco Partnership DBA Verizon Wireless - MDCarroll CountyWireless Numbers05/07/2009
443 - 548Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 549Dundalk, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers01/14/2000
443 - 550North Beach, MDLevel 3 Communications, LLC - MDCalvert CountyLandline Numbers06/30/2001
443 - 551Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 552Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers06/13/2000
443 - 553Elkton, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers05/10/1999
443 - 554Middle River, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers07/23/2001
443 - 556Cockeysville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers08/14/1998
443 - 557Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 558Aberdeen, MDXo Maryland, LLCHarford CountyLandline Numbers01/15/2001
443 - 559Essex, MDComcast Phone Of Northern Maryland, Inc. - MDBaltimore CountyLandline Numbers06/30/2001
443 - 560Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers07/18/2011
443 - 561Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers01/14/2000
443 - 562Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers01/14/2000
443 - 563Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers11/14/2006
443 - 564Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 565Randallstown, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 566Chesapeake City, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers09/16/2004
443 - 567Bel Air, MDLevel 3 Communications, LLC - MDHarford CountyLandline Numbers10/13/1999
443 - 568Arbutus, MDAllegiance Telecom, Inc. - MDBaltimore CountyLandline Numbers06/13/2000
443 - 569Annapolis, MDLevel 3 Communications, LLC - MDAnne Arundel CountyLandline Numbers10/13/1999
443 - 570Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers06/13/2000
443 - 571Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers12/06/2011
443 - 572Glen Burnie, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers05/18/1998
443 - 573Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers01/14/2000
443 - 574Ellicott City, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers01/14/2000
443 - 575Arbutus, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 576Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers02/21/2001
443 - 577Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers06/13/2000
443 - 578Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers06/30/2001
443 - 579Essex, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers01/14/2000
443 - 580Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers08/25/2011
443 - 581Middle River, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 582Churchville, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 583Columbia, MDCtc Communications Corp. - MDHoward CountyLandline Numbers01/14/2000
443 - 584Crofton, MDCtc Communications Corp. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 585Darlington, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 586Dundalk, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 587Edgewood, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 588Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 589Cockeysville, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers03/03/2001
443 - 590Reisterstown, MDGlobal Crossing Local Services, Inc.-mdBaltimore CountyLandline Numbers07/22/1999
443 - 591Glen Burnie, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers05/07/2009
443 - 592Elkridge, MDXo Maryland, LLCHoward CountyLandline Numbers01/14/2000
443 - 593Elkton, MDCtc Communications Corp. - MDCecil CountyLandline Numbers01/14/2000
443 - 594Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 595Sparks Glencoe, MDGlobal Crossing Local Services, Inc.-mdBaltimore CountyLandline Numbers07/22/1999
443 - 596Essex, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 597Severna Park, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 598Sherwood Forest, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 599Baltimore, MDGlobal Crossing Local Services, Inc.-mdBaltimore City CountyLandline Numbers07/22/1999
443 - 600Essex, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers07/23/2001
443 - 601Fallston, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 602Catonsville, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers02/15/2007
443 - 603Annapolis, MDPaetec Communications, Inc. - MDAnne Arundel CountyLandline Numbers05/18/1998
443 - 604Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers02/27/1999
443 - 605Westminster, MDCavalier Telephone Mid-atlantic, LLC - MDCarroll CountyLandline Numbers10/31/2000
443 - 606Fork, MDCtc Communications Corp. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 607West River, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers10/31/2000
443 - 608Towson, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore CountyWireless Numbers02/27/2009
443 - 609Sykesville, MDCavalier Telephone Mid-atlantic, LLC - MDCarroll CountyLandline Numbers10/31/2000
443 - 610Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/13/1999
443 - 612Catonsville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers08/14/1998
443 - 613Towson, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore CountyWireless Numbers02/27/2009
443 - 614Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers07/23/2001
443 - 615Catonsville, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers05/10/2007
443 - 616Bel Air, MDCavalier Telephone Mid-atlantic, LLC - MDHarford CountyLandline Numbers10/31/2000
443 - 617Fallston, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers04/11/2005
443 - 618Glen Burnie, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers06/13/2000
443 - 619Bel Air, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers06/05/2009
443 - 620Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 621Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers02/27/1999
443 - 622Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers02/27/1999
443 - 623Glen Burnie, MDSprint Spectrum L.p. - MDAnne Arundel CountyWireless Numbers08/20/2002
443 - 624Prince Frederick, MDCellco Partnership DBA Verizon Wireless - MDCalvert CountyWireless Numbers03/06/2002
443 - 625Fork, MDBroadwing Communications. LLC - MDBaltimore CountyLandline Numbers02/21/2001
443 - 626Middle River, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 627Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers09/26/2006
443 - 628Glen Burnie, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers01/14/2000
443 - 629Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers08/14/1998
443 - 630Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers05/08/2008
443 - 631Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers08/16/2005
443 - 632Towson, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers01/14/2000
443 - 633Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers07/18/2011
443 - 634Odenton, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers11/09/2011
443 - 635Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers10/14/2009
443 - 636Catonsville, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyLandline Numbers06/25/2005
443 - 637Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers02/21/2001
443 - 638Ellicott City, MDGlobal Naps South, Inc. - MDHoward CountyLandline Numbers01/14/2000
443 - 639Hampstead, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 640Bel Air, MDUs Lec Of Maryland, Inc.Harford CountyLandline Numbers05/18/2001
443 - 641Pikesville, MDBroadwing Communications. LLC - MDBaltimore CountyLandline Numbers05/18/2001
443 - 642Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers11/08/2006
443 - 643Bel Air, MDVerizon Maryland, Inc.Harford CountyLandline Numbers10/13/1999
443 - 644Jarrettsville, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 645Millersville, MDCtc Communications Corp. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 646North Beach, MDCtc Communications Corp. - MDCalvert CountyLandline Numbers01/14/2000
443 - 647New Windsor, MDCtc Communications Corp. - MDCarroll CountyLandline Numbers01/14/2000
443 - 648Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 649Sparrows Point, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers06/20/2001
443 - 650Reisterstown, MDAllegiance Telecom, Inc. - MDBaltimore CountyLandline Numbers02/20/2001
443 - 651Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers07/08/2011
443 - 652Towson, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers05/28/2002
443 - 653Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers05/18/2001
443 - 654Jessup, MDVerizon Maryland, Inc.Howard CountyLandline Numbers08/28/2008
443 - 655Bel Air, MDNew Cingular Wireless PCS, LLC - DCHarford CountyWireless Numbers10/13/1999
443 - 656Columbia, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers05/10/2001
443 - 657Randallstown, MDTw Telecom Of Maryland LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 658Woodlawn, MDGlobal Naps South, Inc. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 659West River, MDGlobal Naps South, Inc. - MDAnne Arundel CountyLandline Numbers01/14/2000
443 - 660Baltimore, MDComcast Phone Of Northern Maryland, Inc. - MDBaltimore City CountyLandline Numbers06/30/2001
443 - 661Jessup, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers10/13/1999
443 - 662Sparks Glencoe, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 663Woodlawn, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers06/30/2001
443 - 664Ocean City, MDCavalier Telephone, LLC (mid-atlantic) - MDWorcester CountyLandline Numbers11/20/1998
443 - 665Nanticoke, MDCavalier Telephone, LLC (mid-atlantic) - MDWicomico CountyLandline Numbers11/20/1998
443 - 666Chestertown, MDLevel 3 Communications, LLC - MDKent CountyWireless Numbers05/23/2012
443 - 668Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers01/15/2001
443 - 669Delmar, MDCavalier Telephone, LLC (mid-atlantic) - MDWicomico CountyLandline Numbers11/20/1998
443 - 670Catonsville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 671New Windsor, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 672Parkton, MDTeleport Communications America, LLC - MDBaltimore CountyLandline Numbers02/27/1999
443 - 673Brooklyn, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers05/10/2001
443 - 674North East, MDTeleport Communications America, LLC - MDCecil CountyLandline Numbers02/27/1999
443 - 675Randallstown, MDCavalier Telephone, LLC (mid-atlantic) - MDBaltimore CountyLandline Numbers11/20/1998
443 - 676Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers06/20/2001
443 - 677Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers03/15/2001
443 - 678Parkville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers08/20/2000
443 - 679Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 680Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers09/27/2010
443 - 681Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/05/2009
443 - 682Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyLandline Numbers12/19/2006
443 - 683Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers04/09/2007
443 - 684Prince Frederick, MDCellco Partnership DBA Verizon Wireless - MDCalvert CountyWireless Numbers10/08/2008
443 - 685Severn, MDCavalier Telephone, LLC (mid-atlantic) - MDAnne Arundel CountyLandline Numbers11/20/1998
443 - 686Fallston, MDSprint Spectrum L.p. - MDHarford CountyWireless Numbers05/10/2005
443 - 687Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers09/08/2009
443 - 688Severn, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/10/2001
443 - 689Cockeysville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 690Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/13/2000
443 - 691Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers01/15/2001
443 - 692Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers06/13/2000
443 - 693Perryville, MDTeleport Communications America, LLC - MDCecil CountyLandline Numbers02/27/1999
443 - 694Severna Park, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers04/20/2001
443 - 695Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers01/14/2000
443 - 696Dundalk, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/10/2001
443 - 697Catonsville, MDGlobal Naps South, Inc. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 698Odenton, MDTeleport Communications America, LLC - MDAnne Arundel CountyLandline Numbers08/14/1998
443 - 699Annapolis, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers08/10/2011
443 - 701Arbutus, MDXo Maryland, LLCBaltimore CountyLandline Numbers10/31/2000
443 - 702Pasadena, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/10/2001
443 - 703Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 704Odenton, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/10/2001
443 - 705Cockeysville, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 706Crisfield, MDCavalier Telephone, LLC (mid-atlantic) - MDSomerset CountyLandline Numbers11/20/1998
443 - 707Local Access LLC - MD06/11/2014
443 - 708Baltimore, MDTw Telecom Of Maryland LLC - MDBaltimore City CountyLandline Numbers08/20/2000
443 - 709Arbutus, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 710Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 712Reisterstown, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/31/2000
443 - 713Columbia, MDPeerless Network Of Maryland, LLCHoward CountyWireless Numbers09/19/2012
443 - 714Columbia, MDSprint Spectrum L.p.Howard CountyLandline Numbers09/30/2011
443 - 715North East, MDCavalier Telephone, LLC (mid-atlantic) - MDCecil CountyLandline Numbers02/27/1999
443 - 716Annapolis, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers10/31/2000
443 - 717Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers09/14/2005
443 - 718Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers03/05/2008
443 - 719Jarrettsville, MDCavalier Telephone Mid-atlantic, LLC - MDHarford CountyLandline Numbers10/31/2000
443 - 720Elkton, MDXo Maryland, LLCCecil CountyLandline Numbers11/27/2012
443 - 721Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers07/06/2009
443 - 722Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers03/09/2001
443 - 723Brooklyn, MDSprint Spectrum L.p.Baltimore City CountyLandline Numbers10/06/2011
443 - 724Easton, MDCavalier Telephone, LLC (mid-atlantic) - MDTalbot CountyLandline Numbers11/20/1998
443 - 725Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 726Towson, MDSprint Spectrum L.p.Baltimore CountyLandline Numbers10/06/2011
443 - 727Bishopville, MDCavalier Telephone, LLC (mid-atlantic) - MDWorcester CountyLandline Numbers11/20/1998
443 - 728Berlin, MDCavalier Telephone, LLC (mid-atlantic) - MDWorcester CountyLandline Numbers11/20/1998
443 - 729Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 730Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 731Port Deposit, MDTeleport Communications America, LLC - MDCecil CountyLandline Numbers02/27/1999
443 - 732Westminster, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 733Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers10/31/2001
443 - 734Severn, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers05/10/1999
443 - 735Salisbury, MDNew Cingular Wireless PCS, LLC - DCWicomico CountyWireless Numbers02/27/1999
443 - 736Salisbury, MDNew Cingular Wireless PCS, LLC - DCWicomico CountyWireless Numbers11/20/1998
443 - 737Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/31/2001
443 - 738Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 739Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers07/23/2001
443 - 740Baltimore, MDTelcove Operations, Inc. - MDBaltimore City CountyLandline Numbers02/03/2005
443 - 741Columbia, MDMci Worldcom Communications, Inc. - MDHoward CountyLandline Numbers03/29/2011
443 - 742Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers08/20/2000
443 - 743Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers04/07/2008
443 - 744Reisterstown, MDSprint Spectrum L.p. - MDBaltimore CountyWireless Numbers07/02/2002
443 - 745Columbia, MDCellco Partnership DBA Verizon Wireless - MDHoward CountyWireless Numbers11/20/1998
443 - 746Easton, MDLevel 3 Communications, LLC - MDTalbot CountyLandline Numbers02/22/2002
443 - 747Port Deposit, MDCore Communications, Inc. - MDCecil CountyLandline Numbers02/22/2002
443 - 748Millersville, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/11/2001
443 - 749Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers03/03/2001
443 - 750Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/08/2010
443 - 751Woodlawn, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/11/2001
443 - 752Bel Air, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyLandline Numbers10/17/2001
443 - 753Jessup, MDAllegiance Telecom, Inc. - MDHoward CountyLandline Numbers10/31/2000
443 - 754Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers06/09/2010
443 - 755Elkridge, MDVerizon Maryland, Inc.Howard CountyLandline Numbers02/27/1999
443 - 756Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers08/20/2000
443 - 757Elkridge, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers05/11/2001
443 - 758Annapolis, MDAT&T LocalAnne Arundel CountyLandline Numbers08/14/1998
443 - 759Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/29/2007
443 - 760Aberdeen, MDAT&T LocalHarford CountyLandline Numbers08/14/1998
443 - 761Towson, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers05/28/2008
443 - 762Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers01/10/2001
443 - 763Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyLandline Numbers05/18/1998
443 - 764Glen Burnie, MDOmnipoint Communications Cap Operations, LLCAnne Arundel CountyWireless Numbers08/21/2008
443 - 765Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers07/23/2001
443 - 766Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers05/18/2005
443 - 767Reisterstown, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/11/2001
443 - 768Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers05/18/2001
443 - 769Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers09/16/2008
443 - 770Pasadena, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers03/03/2001
443 - 771Prince Frederick, MDCellco Partnership DBA Verizon Wireless - MDCalvert CountyWireless Numbers09/08/2010
443 - 772Essex, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers07/23/2001
443 - 773Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers08/20/2000
443 - 774Baltimore, MDGlobal Naps South, Inc. - MDBaltimore City CountyLandline Numbers08/20/2000
443 - 776Baltimore, MDBandwidth.com Clec, LLC - MDBaltimore City CountyLandline Numbers01/17/2014
443 - 777Essex, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers08/20/2000
443 - 778Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers05/18/1998
443 - 779Aberdeen, MDXo Maryland, LLCHarford CountyLandline Numbers06/30/2001
443 - 780Columbia, MDUs Lec Of Maryland, Inc.Howard CountyLandline Numbers07/23/2001
443 - 781Pasadena, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers01/14/2000
443 - 782Annapolis, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers01/14/2000
443 - 783Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers02/27/1999
443 - 784Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers02/27/1999
443 - 785Arbutus, MDGlobal Naps South, Inc. - MDBaltimore CountyLandline Numbers01/14/2000
443 - 786Easton, MDCellco Partnership DBA Verizon Wireless - MDTalbot CountyWireless Numbers06/13/2000
443 - 787Bel Air, MDCtc Communications Corp. - MDHarford CountyLandline Numbers01/14/2000
443 - 788Aberdeen, MDXo Maryland, LLCHarford CountyLandline Numbers01/14/2000
443 - 789Westminster, MDNew Cingular Wireless PCS, LLC - DCCarroll CountyWireless Numbers08/20/2000
443 - 790Glen Burnie, MDSprint Spectrum L.p. - MDAnne Arundel CountyWireless Numbers11/19/2001
443 - 791Towson, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers08/20/2000
443 - 792Brooklyn, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers10/18/2007
443 - 793Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 794Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers01/14/2000
443 - 795Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 796Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 797Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 798Towson, MDTw Telecom Of Maryland LLC - MDBaltimore CountyLandline Numbers05/10/1999
443 - 799Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers07/23/2001
443 - 800Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers01/31/2011
443 - 801Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers07/22/1999
443 - 802Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers07/22/1999
443 - 803Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers07/22/1999
443 - 804Baltimore, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers07/22/1999
443 - 805Glen Burnie, MDOmnipoint Communications Cap Operations, LLCAnne Arundel CountyWireless Numbers07/24/2008
443 - 806Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers03/08/2006
443 - 807Fallston, MDSprint Spectrum L.p. - MDHarford CountyWireless Numbers08/20/2000
443 - 808Annapolis, MDBandwidth.com Clec, LLC - MDAnne Arundel CountyLandline Numbers04/04/2014
443 - 809Level 3 Communications, LLC - MD06/13/2014
443 - 810Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers09/04/2008
443 - 812Columbia, MDCellco Partnership DBA Verizon Wireless - MDHoward CountyWireless Numbers01/15/2001
443 - 813Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers09/14/2007
443 - 814Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/15/2010
443 - 815Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 816Severna Park, MDAllegiance Telecom, Inc. - MDAnne Arundel CountyLandline Numbers10/31/2000
443 - 817Baltimore, MDAllegiance Telecom, Inc. - MDBaltimore City CountyLandline Numbers10/31/2000
443 - 818Pasadena, MDLevel 3 Communications, LLC - MDAnne Arundel CountyLandline Numbers12/30/2005
443 - 820Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers05/18/1998
443 - 821Westminster, MDSprint Spectrum L.p.Carroll CountyWireless Numbers07/13/2010
443 - 822Annapolis, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers08/14/1998
443 - 823Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers07/13/2006
443 - 824Towson, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers05/18/2001
443 - 825Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers11/29/2006
443 - 826Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/25/2010
443 - 827Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers11/20/1998
443 - 828Ellicott City, MDCavalier Telephone Mid-atlantic, LLC - MDHoward CountyLandline Numbers05/11/2001
443 - 829Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers06/13/2000
443 - 830Catonsville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers08/21/2001
443 - 831Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers11/20/1998
443 - 832Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers07/22/1999
443 - 833Arbutus, MDUs Lec Of Maryland, Inc.Baltimore CountyLandline Numbers03/03/2001
443 - 834Towson, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers10/13/1999
443 - 835Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers12/11/2008
443 - 836Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers01/14/2000
443 - 837Annapolis, MDUs Lec Of Maryland, Inc.Anne Arundel CountyLandline Numbers09/24/2001
443 - 838Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers07/22/1999
443 - 839Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers04/17/2006
443 - 840Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers05/04/2005
443 - 841Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers07/22/1999
443 - 842Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers03/10/2011
443 - 843Havre De Grace, MDVerizon Maryland, Inc.Harford CountyLandline Numbers07/22/1999
443 - 844Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers02/13/2006
443 - 845Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers02/27/1999
443 - 846Towson, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyLandline Numbers03/03/2001
443 - 847Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers10/12/2006
443 - 848Baltimore, MDSprint Spectrum L.p. - MDAnne Arundel CountyLandline Numbers03/03/2001
443 - 849Towson, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers05/18/2001
443 - 850Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers09/24/2001
443 - 851Catonsville, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers08/21/2001
443 - 852Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyWireless Numbers08/21/2001
443 - 853Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers07/27/2010
443 - 854Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers11/19/2001
443 - 855Aberdeen, MDLightwave Communications, LLC - MDHarford CountyLandline Numbers05/20/2005
443 - 856Ocean City, MDCore Communications, Inc. - MDWorcester CountyLandline Numbers07/02/2002
443 - 857Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers06/13/2000
443 - 858Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers06/13/2000
443 - 859Salisbury, MDOmnipoint Communications Cap Operations, LLCWicomico CountyWireless Numbers06/13/2000
443 - 860Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers05/04/2005
443 - 861Aberdeen, MDVerizon Maryland, Inc.Harford CountyLandline Numbers08/13/2009
443 - 862Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers10/07/2011
443 - 863Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/09/2010
443 - 864Columbia, MDSprint Spectrum L.p.Howard CountyWireless Numbers12/19/2001
443 - 865Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers04/19/2002
443 - 866Bel Air, MDSprint Spectrum L.p.Harford CountyWireless Numbers07/02/2002
443 - 867Glen Burnie, MDPaetec Communications, Inc. - MDAnne Arundel CountyLandline Numbers10/13/1999
443 - 868Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers07/22/1999
443 - 869Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/12/2006
443 - 870Pikesville, MDTw Telecom Of Maryland LLC - MDBaltimore CountyLandline Numbers05/10/1999
443 - 871Annapolis, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers11/20/1998
443 - 872Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers03/03/2001
443 - 873Pikesville, MDBroadvox-clec, LLC - MDBaltimore CountyLandline Numbers02/23/2010
443 - 874Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers03/03/2001
443 - 875Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyLandline Numbers03/03/2001
443 - 876Bel Air, MDSprint Spectrum L.p.Harford CountyLandline Numbers03/03/2001
443 - 877North East, MDLevel 3 Communications, LLC - MDCecil CountyLandline Numbers10/13/1999
443 - 878Baltimore, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyLandline Numbers03/03/2001
443 - 879Baltimore, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers03/03/2001
443 - 880Salisbury, MDAT&T LocalWicomico CountyLandline Numbers11/20/1998
443 - 881Reisterstown, MDSprint Spectrum L.p. - MDBaltimore CountyWireless Numbers09/26/2006
443 - 882Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers02/01/2011
443 - 883Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 884Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers03/03/2001
443 - 885Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers08/14/1998
443 - 886Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 887Harmans, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/05/2010
443 - 888Princess Anne, MDCavalier Telephone, LLC (mid-atlantic) - MDSomerset CountyLandline Numbers01/06/2011
443 - 889Glen Burnie, MDOmnipoint Communications Cap Operations, LLCAnne Arundel CountyWireless Numbers04/20/2001
443 - 890Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/10/2011
443 - 891Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 892New Windsor, MDBandwidth.com Clec, LLC - MDCarroll CountyLandline Numbers08/11/2011
443 - 893Baltimore, MDXo Maryland, LLCBaltimore City CountyLandline Numbers10/31/2000
443 - 894Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers06/30/2011
443 - 895Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers04/09/2007
443 - 896Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 897Baltimore, MDLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Baltimore City CountyWireless Numbers04/12/2011
443 - 898Pikesville, MDLevel 3 Communications, LLC - MDBaltimore CountyLandline Numbers12/08/2005
443 - 899Elkridge, MDBroadwing Communications. LLC - MDHoward CountyLandline Numbers03/03/2001
443 - 900Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers05/23/2012
443 - 901Towson, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers08/21/2001
443 - 902Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers01/06/2011
443 - 903Bel Air, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers09/07/2011
443 - 904Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/17/2001
443 - 905Annapolis, MDSprint Spectrum L.p.Anne Arundel CountyWireless Numbers08/12/2011
443 - 906Severna Park, MDPeerless Network Of Maryland, LLCAnne Arundel CountyLandline Numbers09/20/2012
443 - 907Elkton, MDCellco Partnership DBA Verizon Wireless - MDCecil CountyWireless Numbers04/20/2001
443 - 908Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers06/29/2011
443 - 909Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/09/2006
443 - 910Bel Air, MDNew Cingular Wireless PCS, LLC - DCHarford CountyWireless Numbers04/20/2001
443 - 912Towson, MDCore Communications, Inc. - MDBaltimore CountyLandline Numbers07/02/2002
443 - 913Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers06/30/2011
443 - 914Reisterstown, MDTeleport Communications America, LLC - MDBaltimore CountyLandline Numbers02/27/1999
443 - 915Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers09/07/2011
443 - 916Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers08/22/2011
443 - 917Columbia, MDBroadvox-clec, LLC - MDHoward CountyWireless Numbers10/07/2011
443 - 918Taneytown, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 919Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers03/03/2001
443 - 920Sykesville, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 921Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers10/13/1999
443 - 922Edgewood, MDAtx Telecommunications Services, LtdHarford CountyLandline Numbers02/07/2006
443 - 923Baltimore, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore City CountyLandline Numbers05/11/2001
443 - 924Annapolis, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers07/06/2009
443 - 925Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers02/24/2006
443 - 926Annapolis, MDBroadwing Communications. LLC - MDAnne Arundel CountyLandline Numbers08/20/2000
443 - 927Baltimore, MDBroadwing Communications. LLC - MDBaltimore City CountyLandline Numbers08/20/2000
443 - 928Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers09/24/2001
443 - 929Pikesville, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers04/20/2001
443 - 930Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers04/06/2011
443 - 931Baltimore, MDMci Worldcom Communications, Inc. - MDBaltimore City CountyLandline Numbers10/24/2011
443 - 932Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers08/22/2011
443 - 933Cockeysville, MDTeleport Communications America, LLC - MDBaltimore CountyLandline Numbers04/20/2004
443 - 934Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers12/04/2007
443 - 935Towson, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers07/31/2006
443 - 937Union Bridge, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 938Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers08/06/2007
443 - 939Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers09/23/2002
443 - 940Pikesville, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers08/21/2001
443 - 941Elkton, MDNew Cingular Wireless PCS, LLC - DCCecil CountyWireless Numbers09/07/2011
443 - 942Severna Park, MDTeleport Communications America, LLC - MDAnne Arundel CountyLandline Numbers08/14/1998
443 - 943Baltimore, MDTeleport Communications America, LLC - MDBaltimore City CountyLandline Numbers08/14/1998
443 - 944Salisbury, MDComcast Phone Of Northern Maryland, Inc. - MDWicomico CountyLandline Numbers06/08/2006
443 - 945Elkton, MDNew Cingular Wireless PCS, LLC - DCCecil CountyWireless Numbers07/02/2002
443 - 946Parkville, MDXo Maryland, LLCBaltimore CountyLandline Numbers01/14/2000
443 - 947Perryville, MDCtc Communications Corp. - MDCecil CountyLandline Numbers01/14/2000
443 - 948Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers08/22/2011
443 - 949Annapolis, MDComcast Phone Of Northern Maryland, Inc. - MDAnne Arundel CountyLandline Numbers06/28/2006
443 - 951Annapolis, MDGlobal Crossing Local Services, Inc.-mdAnne Arundel CountyLandline Numbers07/22/1999
443 - 952Westminster, MDCellco Partnership DBA Verizon Wireless - MDCarroll CountyWireless Numbers09/07/2011
443 - 953Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers09/07/2011
443 - 954Baltimore, MDPaetec Communications, Inc. - MDBaltimore City CountyLandline Numbers07/06/2005
443 - 955Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers03/13/2006
443 - 956Baltimore, MDNew Cingular Wireless PCS, LLC - DCBaltimore City CountyWireless Numbers01/14/2000
443 - 957Baltimore, MDAT&T LocalBaltimore City CountyLandline Numbers08/14/1998
443 - 960Glen Burnie, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers10/07/2011
443 - 962Glen Burnie, MDCellco Partnership DBA Verizon Wireless - MDAnne Arundel CountyWireless Numbers09/14/2007
443 - 963Baltimore, MDHalo Wireless Services, Inc.Baltimore City CountyWireless Numbers12/01/2011
443 - 964North Beach, MDLevel 3 Communications, LLC - MDCalvert CountyLandline Numbers05/12/2006
443 - 965Baltimore, MDSprint Spectrum L.p.Baltimore City CountyWireless Numbers06/21/2006
443 - 966Fallston, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers09/13/2006
443 - 967North East, MDVerizon Maryland, Inc.Cecil CountyLandline Numbers04/20/2001
443 - 968Prince Frederick, MDNew Cingular Wireless PCS, LLC - DCCalvert CountyWireless Numbers07/22/1999
443 - 969Essex, MDCavalier Telephone Mid-atlantic, LLC - MDBaltimore CountyLandline Numbers05/11/2001
443 - 970Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers11/21/2011
443 - 971Taneytown, MDBandwidth.com Clec, LLC - MDCarroll CountyLandline Numbers02/16/2011
443 - 972Cambridge, MDUs Lec Of Maryland, Inc.Dorchester CountyWireless Numbers11/21/2011
443 - 973Baltimore, MDXo Maryland, LLCAnne Arundel CountyLandline Numbers06/30/2001
443 - 974Westminster, MDTeleport Communications America, LLC - MDCarroll CountyLandline Numbers02/27/1999
443 - 975Prince Frederick, MDNew Cingular Wireless PCS, LLC - DCCalvert CountyWireless Numbers03/03/2001
443 - 976Baltimore-washington Telephone (bwt)10/17/2005
443 - 977Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers10/12/2006
443 - 978Salisbury, MDCellco Partnership DBA Verizon Wireless - MDWicomico CountyWireless Numbers11/21/2011
443 - 979Columbia, MDCellco Partnership DBA Verizon Wireless - MDHoward CountyWireless Numbers11/21/2011
443 - 980Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers10/13/1999
443 - 981Fallston, MDCellco Partnership DBA Verizon Wireless - MDHarford CountyWireless Numbers11/21/2011
443 - 982Baltimore, MDYmax Communications Corp. - MDBaltimore City CountyLandline Numbers05/30/2007
443 - 983Baltimore, MDOmnipoint Communications Cap Operations, LLCBaltimore City CountyWireless Numbers07/02/2002
443 - 984Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers10/31/2000
443 - 985Randallstown, MDOmnipoint Communications Cap Operations, LLCBaltimore CountyWireless Numbers06/20/2001
443 - 986Baltimore, MDCellco Partnership DBA Verizon Wireless - MDBaltimore City CountyWireless Numbers07/13/2006
443 - 987Bel Air, MDAT&T LocalHarford CountyLandline Numbers11/20/1998
443 - 988Centreville, MDLevel 3 Communications, LLC - MDQueen Annes CountyLandline Numbers06/08/2006
443 - 989Glen Burnie, MDCavalier Telephone Mid-atlantic, LLC - MDAnne Arundel CountyLandline Numbers05/11/2001
443 - 990Baltimore, MDBandwidth.com Clec, LLC - MDBaltimore City CountyLandline Numbers02/04/2011
443 - 991Towson, MDCellco Partnership DBA Verizon Wireless - MDBaltimore CountyWireless Numbers12/01/2011
443 - 992Baltimore, MDLevel 3 Communications, LLC - MDBaltimore City CountyLandline Numbers01/14/2000
443 - 993Elkton, MDMetro PCS, Inc.Cecil CountyWireless Numbers12/13/2010
443 - 994Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyWireless Numbers11/20/1998
443 - 995Annapolis, MDNew Cingular Wireless PCS, LLC - DCAnne Arundel CountyWireless Numbers08/20/2000
443 - 996Catonsville, MDNew Cingular Wireless PCS, LLC - DCBaltimore CountyWireless Numbers11/20/1998
443 - 997Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers03/03/2001
443 - 998Parkville, MDVerizon Maryland, Inc.Baltimore CountyLandline Numbers03/19/2001