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Area Code 301 Detail

State Major City Time Zone
Maryland Germantown Eastern (02:31PM)

Major Cities in Area Code 301

Prefix City 1 City 2 City 3 City 4 City 5
301Aspen Hill, MDBethesda, MDBowie, MDChillum, MDClinton, MD
301College Park, MDCumberland, MDFairland, MDFort Washington, MDFrederick, MD
301Gaithersburg, MDGermantown, MDGreenbelt, MDHagerstown, MDLandover, MD
301Montgomery Village, MDNorth Bethesda, MDNorth Laurel, MDNorth Potomac, MDOlney, MD
301Oxon Hill-glassmanor, MDPotomac, MDRockville, MDSilver Spring, MDSouth Laurel, MD
301St. Charles, MDSuitland, MDWaldorf, MDWheaton-glenmont, MDWhite Oak, MD

Aria Code 301 Prefixes

Prefix Primary City Company County Usage Introduced
301 - 200Indian Head, MDBandwidth.com Clec, LLC - MDCharles CountyLandline Numbers02/24/2011
301 - 202Chevy Chase, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers12/19/2008
301 - 203Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 204Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers04/15/1996
301 - 205Edgewater, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers07/06/1997
301 - 206Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 207Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 208Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 209Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 210Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 212Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 213Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers07/06/1997
301 - 214Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 215Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 216Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 217Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 218Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/10/1996
301 - 219Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers07/04/1995
301 - 220Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 221Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers09/11/1994
301 - 222Bethesda, MDCavalier Telephone Mid-atlantic, LLC - MDMontgomery CountyLandline Numbers10/11/1997
301 - 223Williamsport, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 224Chevy Chase, MDUsa Mobility Wireless, Inc.Montgomery CountyWireless Numbers04/15/1996
301 - 225Glenn Dale, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers05/21/2009
301 - 226Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/01/1996
301 - 227Glen Echo, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 228Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers07/06/1997
301 - 229Glen Echo, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 230Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 231Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 232Sandy Spring, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 233Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/01/1997
301 - 234Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 235Clinton, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers01/11/1997
301 - 236Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 237Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers04/01/1997
301 - 238Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 239Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers02/11/1995
301 - 240Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 241Highfield, MDVerizon Maryland, Inc.Washington CountyLandline Numbers01/10/1996
301 - 242Brandywine, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers01/11/1997
301 - 243Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/20/2006
301 - 244Rockville, MDTelcove Operations, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 245Bittinger, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 246Nanjemoy, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 247Leonardtown, MDNew Cingular Wireless PCS, LLC - DCSaint Marys CountyWireless Numbers01/10/1996
301 - 248Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 249Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 250Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 251Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 252Gaithersburg, MDSprint Spectrum L.p.Montgomery CountyWireless Numbers01/10/1996
301 - 253Damascus, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 254Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers01/10/1996
301 - 255Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/11/1997
301 - 256Laurel, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 257Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers10/11/1997
301 - 258Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 259Issue, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 260Ashton, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/06/1997
301 - 261Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 262Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 263Glen Echo, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/01/1997
301 - 264Mount Savage, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 265Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 266Waldorf, MDNew Cingular Wireless PCS, LLC - DCCharles CountyWireless Numbers01/11/1997
301 - 267Greenbelt, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers10/04/2011
301 - 268Cumberland, MDUscoc Of Cumberland, Inc. DBA United States Cel MdAllegany CountyWireless Numbers07/06/1997
301 - 270Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 271Thurmont, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 272Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 273Silver Spring, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 274Hughesville, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 275Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/11/1995
301 - 276Hyattsville, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 277Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 278Mount Rainier, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 279Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 280Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 281Oxon Hill, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 282Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/04/1995
301 - 283Bryans Road, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 284Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 285Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers07/04/1995
301 - 286Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 287Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/11/1997
301 - 288Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers01/10/1996
301 - 289College Park, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 290Mechanicsville, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers07/06/1997
301 - 291Mount Rainier, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers01/11/1997
301 - 292Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 293Myersville, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 294Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 295Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 296Rockville, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers07/04/1995
301 - 297Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 298Upper Marlboro, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers04/01/1997
301 - 299Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 300Bethesda, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers03/30/2007
301 - 302Hagerstown, MDSprint Spectrum L.p. - MDWashington CountyLandline Numbers10/05/2004
301 - 303Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 304Frederick, MDComcast Phone Of Northern Maryland, Inc. - MDFrederick CountyLandline Numbers03/06/2007
301 - 305Frederick, MDSprint Spectrum L.p.Frederick CountyWireless Numbers04/15/1996
301 - 306Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 307College Park, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/01/1996
301 - 308Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 309Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 310Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers07/01/1996
301 - 312Oxon Hill, MDNew Cingular Wireless PCS, LLC - DCPrince Georges CountyWireless Numbers10/11/1997
301 - 313Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers10/11/1997
301 - 314Hyattsville, MDPaetec Communications, Inc. - MDPrince Georges CountyLandline Numbers02/04/1994
301 - 315Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/01/1996
301 - 316Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/06/1997
301 - 317Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 318Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 319Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/01/1996
301 - 320Glen Echo, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 321Rockville, MDTelcove Operations, Inc. - MDMontgomery CountyLandline Numbers07/06/1997
301 - 322Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 323Laurel, MDTw Telecom Of Maryland LLC - MDPrince Georges CountyLandline Numbers07/06/1997
301 - 324Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/04/1995
301 - 325Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers07/04/1995
301 - 326Silver Spring, MDOmnipoint Communications Cap Operations, LLCMontgomery CountyWireless Numbers10/11/1997
301 - 327Upper Marlboro, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers03/09/2006
301 - 328Silver Spring, MDComcast Phone Of Northern Maryland, Inc. - MDMontgomery CountyLandline Numbers06/21/2006
301 - 329Greenbelt, MDCavalier Telephone Mid-atlantic, LLC - MDPrince Georges CountyWireless Numbers09/20/2011
301 - 330Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 331Hagerstown, MDNew Cingular Wireless PCS, LLC - DCWashington CountyWireless Numbers02/04/1994
301 - 332Silver Spring, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers10/15/1996
301 - 333Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 334Oakland, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 335Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers09/11/1994
301 - 336Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 337Gaithersburg, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers07/04/1995
301 - 338Cumberland, MDIdt America Corp - MDAllegany CountyLandline Numbers01/31/2006
301 - 339Rockville, MDCavalier Telephone Mid-atlantic, LLC - MDMontgomery CountyLandline Numbers10/11/1997
301 - 340Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 341Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 342Patuxent River, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers01/10/1996
301 - 343Capitol Heights, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers02/11/1995
301 - 344Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 345Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 346Silver Spring, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers10/11/1997
301 - 347Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 348Kensington, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers07/04/1995
301 - 349Poolesville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 350Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 351Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers07/04/1995
301 - 352Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 353Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 354Rockville, MDTeleport Communications America, LLC - DCMontgomery CountyLandline Numbers01/10/1996
301 - 355Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers12/08/2005
301 - 356Laurel, MDVdl, Inc. DBA Global Telecom Brokers - MDPrince Georges CountyLandline Numbers08/17/2004
301 - 357Mount Rainier, MDCellco Partnership DBA Verizon Wireless - MDPrince Georges CountyWireless Numbers10/12/2006
301 - 358Upper Marlboro, MDLevel 3 Communications, LLC - MDPrince Georges CountyLandline Numbers10/11/1997
301 - 359Westernport, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers01/10/1996
301 - 360Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers01/25/1998
301 - 361Laurel, MDTw Telecom Of Maryland LLC - MDPrince Georges CountyLandline Numbers10/11/1997
301 - 362Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers10/11/1997
301 - 363Damascus, MDLevel 3 Communications, LLC - MDMontgomery CountyLandline Numbers08/16/2006
301 - 364Hyattsville, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers07/04/1995
301 - 365Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 366Gaithersburg, MDSprint Spectrum L.p.Montgomery CountyWireless Numbers10/11/1997
301 - 367Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/11/1995
301 - 368Damascus, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/25/1998
301 - 369Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 370Gaithersburg, MDSprint Spectrum L.p.Montgomery CountyWireless Numbers05/18/1998
301 - 371Middletown, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 372Brandywine, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 373Hollywood, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 374Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/11/1995
301 - 375Bryans Road, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 376Laurel, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers04/01/1997
301 - 377Laurel, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers10/11/1997
301 - 378Frederick, MDComcast Phone Of Northern Maryland, Inc. - MDFrederick CountyLandline Numbers02/20/2007
301 - 379Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers01/25/1998
301 - 380Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 382Rockville, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers10/15/1996
301 - 383Glenn Dale, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers10/11/1997
301 - 384Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 385Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers04/01/1997
301 - 386Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 387Swanton, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 388Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 389Laurel, MDTw Telecom Of Maryland LLC - MDPrince Georges CountyLandline Numbers01/25/1998
301 - 390Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 391Damascus, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 392La Plata, MDVerizon Maryland, Inc.Charles CountyLandline Numbers07/06/1997
301 - 393Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers01/25/1998
301 - 394Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 395Laurel, MDCellco Partnership DBA Verizon Wireless - MDPrince Georges CountyWireless Numbers08/17/2004
301 - 396Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers01/25/1998
301 - 397Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers02/11/1995
301 - 398Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/09/2003
301 - 399Waldorf, MDSprint Spectrum L.p.Charles CountyWireless Numbers01/25/1998
301 - 400Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers03/29/2010
301 - 401Frederick, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers02/04/1994
301 - 402Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 403Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 404Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers04/15/1996
301 - 405Hyattsville, MDPaetec Communications, Inc. - MDPrince Georges CountyLandline Numbers02/04/1994
301 - 406Chevy Chase, MDUsa Mobility Wireless, Inc.Montgomery CountyWireless Numbers02/04/1994
301 - 407Poolesville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/01/1996
301 - 408Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/01/1996
301 - 409Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 412Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 413Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 414Damascus, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 415Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 416Williamsport, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 417Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 418Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers11/20/2002
301 - 419Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 420Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 421Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 422Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 423Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 424Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 425Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers09/11/1994
301 - 426Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers04/15/1996
301 - 427Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 428Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 429Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 430Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers10/11/1997
301 - 431Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 432Keedysville, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 433Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 434Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 435Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/04/1995
301 - 436Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 437Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers08/14/1998
301 - 438Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 439Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 440Capitol Heights, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers05/18/1998
301 - 441Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 442Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers01/25/1998
301 - 443Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 444Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/25/1998
301 - 445Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 446Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers08/14/1998
301 - 447Emmitsburg, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 448Silver Spring, MDComcast Phone Of Northern Maryland, Inc. - MDMontgomery CountyLandline Numbers08/20/2000
301 - 449Fort Washington, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 451Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers05/10/1999
301 - 452Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/11/1995
301 - 453Kitzmiller, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 454Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 455Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers01/25/1998
301 - 456Mount Rainier, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers04/01/1997
301 - 457Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 458Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers07/04/1995
301 - 459Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 460Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 461Rockville, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers05/18/1998
301 - 462Myersville, MDSprint Spectrum L.p. - MDFrederick CountyWireless Numbers10/11/1997
301 - 463Lonaconing, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 464Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 465Myersville, MDSprint Spectrum L.p. - MDFrederick CountyWireless Numbers01/11/1997
301 - 466Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers07/04/1995
301 - 467Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers01/10/1996
301 - 468Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 469Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 470Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 471Frederick, MDCellco Partnership DBA Verizon Wireless - MDFrederick CountyWireless Numbers04/15/1996
301 - 472Mechanicsville, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers09/11/1994
301 - 473Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 474Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 475Leonardtown, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 476Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers09/11/1994
301 - 477College Park, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers10/11/1997
301 - 478Oldtown, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 479College Park, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers07/04/1995
301 - 480Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 481Leonardtown, MDCellco Partnership DBA Verizon Wireless - MDSaint Marys CountyWireless Numbers04/15/1996
301 - 482Damascus, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/15/1996
301 - 483Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers04/15/1996
301 - 484Oxon Hill, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers04/01/1997
301 - 485Oxon Hill, MDComcast Phone Of Northern Maryland, Inc. - MDPrince Georges CountyLandline Numbers04/01/1997
301 - 486Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 487Myersville, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 488Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers01/25/1998
301 - 489Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 490Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 491Hagerstown, MDUscoc Of Cumberland, Inc. DBA United States Cel MdWashington CountyWireless Numbers02/04/1994
301 - 492Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 493Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 494Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers10/15/1996
301 - 495Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 496Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 497Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 498Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 499Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 500Chevy Chase, MDXo Maryland, LLCMontgomery CountyLandline Numbers09/01/2010
301 - 501Oakland, MDNew Cingular Wireless PCS, LLC - DCGarrett CountyWireless Numbers02/04/1994
301 - 502Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 503Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 504Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 505Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 506Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 507Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 508Myersville, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers05/18/1998
301 - 509Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 510Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 512Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers01/10/1996
301 - 513Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 514Frederick, MDCellco Partnership DBA Verizon Wireless - MDFrederick CountyWireless Numbers07/01/1996
301 - 515Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/10/1996
301 - 516Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers04/01/1997
301 - 517Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 518Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 519Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/01/1997
301 - 520Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 521Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers04/01/1997
301 - 522Rockville, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers04/01/1997
301 - 523Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers10/15/1996
301 - 524Frederick, MDSprint Spectrum L.p.Frederick CountyWireless Numbers08/14/1998
301 - 525Gaithersburg, MDQuantum Telecommunications, Inc. - MDMontgomery CountyLandline Numbers10/16/2003
301 - 526Silver Spring, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers08/14/1998
301 - 527Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 528Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers08/14/1998
301 - 529Rockville, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers08/14/1998
301 - 530Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 531Hyattsville, MDStarpower Communications, LLC - MDPrince Georges CountyLandline Numbers11/20/1998
301 - 533Oakland, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers08/14/1998
301 - 534Indian Head, MDYmax Communications Corp. - MDCharles CountyLandline Numbers11/15/2006
301 - 535Waldorf, MDNew Cingular Wireless PCS, LLC - DCCharles CountyWireless Numbers08/14/1998
301 - 536Leonardtown, MDSprint Spectrum L.p. - MDSaint Marys CountyWireless Numbers11/20/1998
301 - 537Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers08/14/1998
301 - 538Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/11/1995
301 - 539La Plata, MDTeleport Communications America, LLC - DCCharles CountyLandline Numbers08/14/1998
301 - 540Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 541Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers11/20/1998
301 - 542Waldorf, MDTeleport Communications America, LLC - DCCharles CountyLandline Numbers08/14/1998
301 - 543Laurel, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers10/11/1997
301 - 544Rockville, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers11/20/1998
301 - 545Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 546Landover, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers04/07/2014
301 - 547Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers01/10/1996
301 - 548Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 549Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 551Kensington, MDBaltimore-washington Telephone (bwt)Montgomery CountyLandline Numbers06/13/2000
301 - 552Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 553Waldorf, MDUsa Mobility Wireless, Inc.Charles CountyWireless Numbers05/18/1998
301 - 554Bethesda, MDUsa Mobility Wireless, Inc.Montgomery CountyWireless Numbers05/18/1998
301 - 556Gaithersburg, MDTeleport Communications America, LLC - DCMontgomery CountyLandline Numbers10/11/1997
301 - 557Mount Rainier, MDBroadwing Communications. LLC - MDPrince Georges CountyLandline Numbers09/06/2011
301 - 558College Park, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers05/18/1998
301 - 559Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 560Hyattsville, MDPaetec Communications, Inc. - MDPrince Georges CountyLandline Numbers08/14/1998
301 - 561Silver Spring, MDBaltimore-washington Telephone (bwt)Montgomery CountyLandline Numbers03/03/2001
301 - 562Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/01/1997
301 - 563Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/01/1997
301 - 564Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 565Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 566Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers10/11/1997
301 - 567Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 568Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 569Gaithersburg, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers08/14/1998
301 - 570Ashton, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 571Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 572Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 573Hagerstown, MDSprint Spectrum L.p. - MDWashington CountyWireless Numbers11/20/1998
301 - 574Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/11/1995
301 - 575Laurel, MDUs Lec Of Maryland, Inc.Prince Georges CountyLandline Numbers08/14/1998
301 - 576Silver Spring, MDPaetec Communications, Inc. - MDMontgomery CountyLandline Numbers08/14/1998
301 - 577Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 578Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 579Brandywine, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 580Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 581Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/01/1997
301 - 582Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 583Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/25/1998
301 - 584Silver Spring, MDBaltimore-washington Telephone (bwt)Montgomery CountyLandline Numbers06/13/2000
301 - 585Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 586Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/10/1996
301 - 587Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 588Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 589Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 590Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 591Gaithersburg, MDPaetec Communications, Inc. - MDMontgomery CountyLandline Numbers08/14/1998
301 - 592Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 593Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 594Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 595Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 596Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers02/04/1994
301 - 597Hancock, MDNew Frontiers Telecommunications, Inc.Washington CountyLandline Numbers06/13/2000
301 - 598Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 599Clinton, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 600Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers07/06/2006
301 - 601Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 602Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 603Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/01/1996
301 - 604Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 605Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 606Frederick, MDCellco Partnership DBA Verizon Wireless - MDFrederick CountyWireless Numbers02/04/1994
301 - 607New Market, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 608Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 609La Plata, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 610Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 612Sandy Spring, MDTeleport Communications America, LLC - MDMontgomery CountyWireless Numbers10/11/2012
301 - 613Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers07/01/1996
301 - 614Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/10/1996
301 - 615Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 616Oakland, MDUscoc Of Cumberland, Inc. DBA United States Cel MdGarrett CountyWireless Numbers02/04/1994
301 - 617Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/11/1995
301 - 618Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 619Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 620Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 621Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 622Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 623Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers10/11/1997
301 - 624Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers01/10/1996
301 - 625Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/10/1996
301 - 626Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers05/18/1998
301 - 627Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 628Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers01/10/1996
301 - 629Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 630Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 631Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/11/1995
301 - 632Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers01/10/1996
301 - 633Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/11/1995
301 - 634Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers10/11/1997
301 - 635Myersville, MDNew Frontiers Telecommunications, Inc.Frederick CountyLandline Numbers06/13/2000
301 - 636Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers06/13/2000
301 - 637Rockville, MDLevel 3 Communications, LLC - MDMontgomery CountyLandline Numbers08/14/1998
301 - 638Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers01/10/1996
301 - 639Frederick, MDCellco Partnership DBA Verizon Wireless - MDFrederick CountyWireless Numbers02/11/1995
301 - 640Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 641Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers09/11/1994
301 - 642Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers01/25/1998
301 - 643Waldorf, MDCellco Partnership DBA Verizon Wireless - MDCharles CountyWireless Numbers09/11/1994
301 - 644Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers08/14/1998
301 - 645Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 646Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers01/10/1996
301 - 647Laurel, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers01/10/1996
301 - 648Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 649Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 650Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 651Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/11/1995
301 - 652Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 653Waldorf, MDNew Cingular Wireless PCS, LLC - DCCharles CountyWireless Numbers01/10/1996
301 - 654Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 655Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers04/15/1996
301 - 656Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 657Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 658Sandy Spring, MDTeleport Communications America, LLC - DCMontgomery CountyLandline Numbers10/11/1997
301 - 659Waldorf, MDNew Cingular Wireless PCS, LLC - DCCharles CountyWireless Numbers05/18/1998
301 - 660Keedysville, MDNew Cingular Wireless PCS, LLC - DCWashington CountyWireless Numbers03/19/2004
301 - 661Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers09/11/1994
301 - 662Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 663Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 664Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/10/1996
301 - 665Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers01/10/1996
301 - 666Glenn Dale, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 667Myersville, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers09/11/1994
301 - 668Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers08/14/1998
301 - 669Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 670Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 671Hagerstown, MDNew Frontiers Telecommunications, Inc.Washington CountyLandline Numbers06/13/2000
301 - 672Tall Timbers, MDSprint Spectrum L.p.Saint Marys CountyWireless Numbers11/20/1998
301 - 673Frederick, MDNew Frontiers Telecommunications, Inc.Frederick CountyLandline Numbers06/13/2000
301 - 674Bethesda, MDSprint Spectrum L.p.Montgomery CountyWireless Numbers11/20/1998
301 - 675Silver Spring, MDOmnipoint Communications Cap Operations, LLCMontgomery CountyWireless Numbers06/13/2000
301 - 676Frederick, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers07/06/1997
301 - 677Glenn Dale, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers02/04/1994
301 - 678Hancock, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 679Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 680Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 681Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 682Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/11/1995
301 - 683Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 684Indian Head, MDTeleport Communications America, LLC - DCCharles CountyLandline Numbers08/14/1998
301 - 685Damascus, MDTeleport Communications America, LLC - DCMontgomery CountyLandline Numbers08/14/1998
301 - 686Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers05/10/1999
301 - 687Frostburg, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers07/04/1995
301 - 688Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 689Frostburg, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 690Leonardtown, MDIdt America Corp - MDSaint Marys CountyLandline Numbers05/23/2007
301 - 691Poolesville, MDTeleport Communications America, LLC - DCMontgomery CountyLandline Numbers08/14/1998
301 - 692Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 693Frederick, MDOmnipoint Communications Cap Operations, LLCFrederick CountyWireless Numbers06/13/2000
301 - 694Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 695Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 696Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 697Cumberland, MDNew Cingular Wireless PCS, LLC - DCAllegany CountyWireless Numbers02/04/1994
301 - 698Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 699Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 701Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 702Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 703Mount Airy, MDLevel 3 Communications, LLC - MDCarroll CountyLandline Numbers08/29/2002
301 - 704Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 705Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 706Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 707Cumberland, MDUscoc Of Cumberland, Inc. DBA United States Cel MdAllegany CountyWireless Numbers02/04/1994
301 - 708Greenbelt, MDCavalier Telephone Mid-atlantic, LLC - MDPrince Georges CountyWireless Numbers09/20/2011
301 - 709Greenbelt, MDUsa Mobility Wireless, Inc.Prince Georges CountyWireless Numbers02/04/1994
301 - 710Waldorf, MDLevel 3 Communications, LLC - MDCharles CountyLandline Numbers12/30/2005
301 - 712Frederick, MDMci Worldcom Communications, Inc. - MDFrederick CountyLandline Numbers03/27/2005
301 - 713Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 714Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 715Upper Marlboro, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 716Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers07/01/1996
301 - 717Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 718Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 719Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 720Brandywine, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers08/14/1998
301 - 721Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 722Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 723Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers05/18/1998
301 - 724Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 725Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 727Capitol Heights, MDBaltimore-washington Telephone (bwt)Prince Georges CountyLandline Numbers06/13/2000
301 - 728Silver Spring, MDOmnipoint Communications Cap Operations, LLCMontgomery CountyWireless Numbers06/13/2000
301 - 729Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 730Myersville, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers11/20/1998
301 - 731Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 732Greenbelt, MDMetro PCS, Inc.Prince Georges CountyWireless Numbers10/04/2011
301 - 733Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 734Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 735Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 736Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 737Lexington Park, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 738Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 739Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 740Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/22/2004
301 - 741Laurel, MDLevel 3 Communications, LLC - MDPrince Georges CountyLandline Numbers08/14/1998
301 - 742Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 743Indian Head, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 744Indian Head, MDVerizon Maryland, Inc.Charles CountyLandline Numbers10/11/1997
301 - 745Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 746Accident, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 747Mount Rainier, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers11/20/1998
301 - 748Frederick, MDSprint Spectrum L.p.Frederick CountyWireless Numbers04/01/1997
301 - 749Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 750Friendsville, MDCore Communications, Inc. - MDGarrett CountyLandline Numbers03/18/2004
301 - 751Waldorf, MDCellco Partnership DBA Verizon Wireless - MDCharles CountyWireless Numbers01/10/1996
301 - 752Waldorf, MDCellco Partnership DBA Verizon Wireless - MDCharles CountyWireless Numbers08/14/1998
301 - 753Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 754Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers09/11/1994
301 - 755Silver Spring, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers07/04/1995
301 - 756Laurel, MDTw Telecom Of Maryland LLC - MDPrince Georges CountyLandline Numbers01/25/1998
301 - 757Patuxent River, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers01/11/1997
301 - 758Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers09/11/1994
301 - 759Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 760Bethesda, MDLevel 3 Communications, LLC - MDMontgomery CountyLandline Numbers02/27/2002
301 - 761Kensington, MDLevel 3 Communications, LLC - MDMontgomery CountyLandline Numbers02/27/2002
301 - 762Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 763Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 764Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers01/10/1996
301 - 765Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 766Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers04/15/1996
301 - 767Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/15/1996
301 - 768Cabin John, MDLevel 3 Communications, LLC - MDMontgomery CountyLandline Numbers02/27/2002
301 - 769Avenue, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 770Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 771Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers04/01/1997
301 - 772Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 773Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 774Ashton, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 775Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers01/10/1996
301 - 776Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 777Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers02/04/1994
301 - 778Capitol Heights, MDMci Worldcom Communications, Inc. - MDPrince Georges CountyLandline Numbers07/04/1995
301 - 779Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 780Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/25/1998
301 - 781Frostburg, MDNew Frontiers Telecommunications, Inc.Allegany CountyLandline Numbers06/13/2000
301 - 782Brandywine, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 783Cumberland, MDNew Frontiers Telecommunications, Inc.Allegany CountyLandline Numbers06/13/2000
301 - 784Cumberland, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers09/11/1994
301 - 785Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers08/14/1998
301 - 786Mccoole, MDVerizon Maryland, Inc.Allegany CountyLandline Numbers01/10/1996
301 - 787Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers08/14/1998
301 - 788Frederick, MDCellco Partnership DBA Verizon Wireless - MDFrederick CountyWireless Numbers08/14/1998
301 - 789Hyattsville, MDCore Communications, Inc. - PAPrince Georges CountyLandline Numbers08/13/2002
301 - 790Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 791Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 792Silver Spring, MDOmnipoint Communications Cap Operations, LLCMontgomery CountyWireless Numbers06/13/2000
301 - 793Silver Spring, MDOmnipoint Communications Cap Operations, LLCMontgomery CountyWireless Numbers06/13/2000
301 - 794Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 795Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 796College Park, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers06/30/2003
301 - 797Hagerstown, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 798New Market, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers07/01/1996
301 - 799Keedysville, MDCore Communications, Inc. - MDWashington CountyLandline Numbers03/18/2004
301 - 800Hagerstown, MDVirginia PCS Alliance, L.c.Washington CountyWireless Numbers04/29/2010
301 - 801Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 802Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers10/15/1996
301 - 803Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 804Sandy Spring, MDMcimetro Access Transmission Services LLCMontgomery CountyLandline Numbers11/20/1998
301 - 805Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 806Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers07/01/1996
301 - 807Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 808Capitol Heights, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 809Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 810Monrovia, MDAT&T LocalFrederick CountyLandline Numbers08/14/1998
301 - 812North Beach, MDVerizon Maryland, Inc.Calvert CountyLandline Numbers07/01/1996
301 - 813Bethesda, MDBaltimore-washington Telephone (bwt)Montgomery CountyLandline Numbers06/30/2001
301 - 814Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 815Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 816Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 817Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 818Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 819Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers07/01/1996
301 - 820Gaithersburg, MDAT&T LocalMontgomery CountyLandline Numbers11/20/1998
301 - 821Laurel, MDAT&T LocalPrince Georges CountyLandline Numbers08/14/1998
301 - 822Mount Rainier, MDAT&T LocalPrince Georges CountyLandline Numbers08/14/1998
301 - 823Mount Rainier, MDAT&T LocalPrince Georges CountyLandline Numbers08/14/1998
301 - 824Smithsburg, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 825Rockville, MDAT&T LocalMontgomery CountyLandline Numbers08/14/1998
301 - 826Lexington Park, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 827Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 828Bethesda, MDAT&T LocalMontgomery CountyLandline Numbers08/14/1998
301 - 829Mount Airy, MDVerizon Maryland, Inc.Carroll CountyLandline Numbers02/04/1994
301 - 830Silver Spring, MDAT&T LocalMontgomery CountyLandline Numbers08/14/1998
301 - 831Adamstown, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 832Mount Rainier, MDAT&T LocalPrince Georges CountyLandline Numbers08/14/1998
301 - 833Glenn Dale, MDTeleport Communications America, LLC - DCPrince Georges CountyLandline Numbers11/11/2003
301 - 834Brunswick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 836Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/04/1995
301 - 837Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 838Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers07/04/1995
301 - 839Oxon Hill, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 840Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 841Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 842Clear Spring, MDVerizon Maryland, Inc.Washington CountyLandline Numbers02/04/1994
301 - 843Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 844Mount Rainier, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers10/04/2011
301 - 845Walkersville, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 846Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 847Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 848Waldorf, MDCellco Partnership DBA Verizon Wireless - MDCharles CountyWireless Numbers08/14/1998
301 - 849Oakland, MDNew Frontiers Telecommunications, Inc.Garrett CountyLandline Numbers06/13/2000
301 - 850Glenn Dale, MDLevel 3 Communications, LLC - MDPrince Georges CountyLandline Numbers08/04/2002
301 - 851Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 852Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 853Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 854Columbia, MDVerizon Maryland, Inc.Howard CountyLandline Numbers02/04/1994
301 - 855Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 856Clinton, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 857Clear Spring, MDCore Communications, Inc. - MDWashington CountyLandline Numbers07/12/2002
301 - 858Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 859Oxon Hill, MDLevel 3 Communications, LLC - MDPrince Georges CountyLandline Numbers01/09/2002
301 - 860Bowie, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers08/20/2000
301 - 861Waldorf, MDLevel 3 Communications, LLC - MDCharles CountyLandline Numbers08/14/1998
301 - 862Lexington Park, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 863Lexington Park, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 864Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 865New Market, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 866Lexington Park, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers10/15/1996
301 - 867Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 868Clinton, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 869Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 870Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 871Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 872Ridge, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 873Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 874Adamstown, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 875Laurel, MDCellco Partnership DBA Verizon Wireless - MDPrince Georges CountyLandline Numbers03/27/2005
301 - 876Cumberland, MDLevel 3 Communications, LLC - MDAllegany CountyLandline Numbers05/02/2002
301 - 877Clinton, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/11/1997
301 - 878Baltimore, MDVerizon Maryland, Inc.Baltimore City CountyLandline Numbers01/10/1996
301 - 879Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 880Tall Timbers, MDLevel 3 Communications, LLC - MDSaint Marys CountyLandline Numbers08/14/1998
301 - 881Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 882New Market, MDCore Communications, Inc. - MDFrederick CountyLandline Numbers03/18/2004
301 - 883Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers09/11/1994
301 - 884Mechanicsville, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 885Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/11/1995
301 - 886Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/04/1995
301 - 887Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/11/1995
301 - 888Brandywine, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 889Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers01/10/1996
301 - 890Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 891Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 892Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers03/11/2005
301 - 893Waldorf, MDVerizon Maryland, Inc.Charles CountyLandline Numbers01/10/1996
301 - 894Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 895Grantsville, MDVerizon Maryland, Inc.Garrett CountyLandline Numbers02/04/1994
301 - 896Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/10/1996
301 - 897Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 898Walkersville, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers02/04/1994
301 - 899Temple Hills, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 900Frederick, MDVerizon Maryland, Inc.Frederick CountyLandline Numbers10/22/2013
301 - 901Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 902Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 903Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 904Leonardtown, MDCellco Partnership DBA Verizon Wireless - MDSaint Marys CountyWireless Numbers02/04/1994
301 - 905Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 906Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers10/15/1996
301 - 907Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers05/18/1998
301 - 908Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 909Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 910Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 912Odenton, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers02/04/1994
301 - 913Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 914Mc Henry, MDMountain Communications, LLC DBA Procom - MDGarrett CountyLandline Numbers12/27/2012
301 - 915Bethesda, MDStarpower Communications, LLC - MDMontgomery CountyLandline Numbers11/20/1998
301 - 916Poolesville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 917Rockville, MDStarpower Communications, LLC - MDMontgomery CountyLandline Numbers08/14/1998
301 - 918Lanham, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 919Bethesda, MDNew Cingular Wireless PCS, LLC - DCMontgomery CountyWireless Numbers02/04/1994
301 - 920Silver Spring, MDStarpower Communications, LLC - MDMontgomery CountyLandline Numbers08/14/1998
301 - 921Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 922Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 923Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers09/11/1994
301 - 924Ashton, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 925Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 926Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 927Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 928Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/11/1995
301 - 929Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 930Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers02/04/1994
301 - 931Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers07/04/1995
301 - 932La Plata, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 933Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 934La Plata, MDVerizon Maryland, Inc.Charles CountyLandline Numbers02/04/1994
301 - 935Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 937Beltsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 938Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 939Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers04/15/1996
301 - 940Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyWireless Numbers02/04/1994
301 - 941Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/11/1995
301 - 942Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 943Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers04/15/1996
301 - 944Gaithersburg, MDMcimetro Access Transmission Services LLCMontgomery CountyLandline Numbers11/20/1998
301 - 945Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 946Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 947Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/15/1996
301 - 948Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 949Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 951Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 952Upper Marlboro, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 953Laurel, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 955Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 956Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers05/22/2002
301 - 957Laurel, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 960Silver Spring, MDMcimetro Access Transmission Services LLCMontgomery CountyLandline Numbers11/20/1998
301 - 961Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 962Kensington, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/11/1997
301 - 963Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 964Myersville, MDNew Cingular Wireless PCS, LLC - DCFrederick CountyWireless Numbers04/15/1996
301 - 965Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 966Hyattsville, MDMcimetro Access Transmission Services LLCPrince Georges CountyLandline Numbers11/20/1998
301 - 967Suitland, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 968Bethesda, MDMci Worldcom Communications, Inc. - MDMontgomery CountyLandline Numbers07/04/1995
301 - 969Brunswick, MDComcast Phone Of Northern Maryland, Inc. - MDFrederick CountyLandline Numbers03/06/2007
301 - 970Annapolis, MDVerizon Maryland, Inc.Anne Arundel CountyLandline Numbers02/04/1994
301 - 971Oxon Hill, MDStarpower Communications, LLC - MDPrince Georges CountyLandline Numbers11/20/1998
301 - 972Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 973Glenn Dale, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 974Laurel, MDStarpower Communications, LLC - MDPrince Georges CountyLandline Numbers11/20/1998
301 - 975Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 976Baltimore-washington Telephone (bwt)10/17/2005
301 - 977Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 978Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 979Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers04/15/1996
301 - 980Silver Spring, MDCellco Partnership DBA Verizon Wireless - MDMontgomery CountyWireless Numbers02/04/1994
301 - 981Mount Rainier, MDTw Telecom Of Maryland LLC - MDPrince Georges CountyLandline Numbers02/04/1994
301 - 982Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 983Bethesda, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 984Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 985Hyattsville, MDVerizon Maryland, Inc.Prince Georges CountyLandline Numbers02/04/1994
301 - 986Chevy Chase, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 987Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers10/11/1997
301 - 988Hagerstown, MDUscoc Of Cumberland, Inc. DBA United States Cel MdWashington CountyWireless Numbers07/06/1997
301 - 989Silver Spring, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 990Gaithersburg, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers02/04/1994
301 - 991Hagerstown, MDSprint Spectrum L.p. - MDWashington CountyWireless Numbers04/15/1996
301 - 992Hagerstown, MDSprint Spectrum L.p. - MDWashington CountyWireless Numbers10/11/1997
301 - 993Greenbelt, MDVerizon Maryland, Inc.Prince Georges CountyWireless Numbers11/20/1998
301 - 994Valley Lee, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers02/04/1994
301 - 995Patuxent River, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers08/14/1998
301 - 996Beltsville, MDSprint Spectrum L.p.Prince Georges CountyWireless Numbers01/10/1996
301 - 997Leonardtown, MDVerizon Maryland, Inc.Saint Marys CountyLandline Numbers01/25/1998
301 - 998Rockville, MDVerizon Maryland, Inc.Montgomery CountyLandline Numbers01/10/1996