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Area Code 720 Detail

State Major City Time Zone
Colorado Denver Mountain (10:33PM)

Major Cities in Area Code 720

Prefix City 1 City 2 City 3 City 4 City 5
720Arvada, COAurora, COBoulder, COBrighton, COBroomfield, CO
720Castle Rock, COCastlewood, COColumbine, COCommerce City, CODenver, CO
720Englewood, COHighlands Ranch, COKen Caryl, COLafayette, COLakewood, CO
720Littleton, COLongmont, COLoveland, CONorthglenn, COParker, CO
720Southglenn, COThornton, COWestminster, COWheat Ridge, CO

Aria Code 720 Prefixes

Prefix Primary City Company County Usage Introduced
720 - 200Denver, COQwest CorporationDenver CountyLandline Numbers02/27/1999
720 - 201Denver, CONew Cingular Wireless PCS, LLCDenver CountyWireless Numbers06/30/2001
720 - 202Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers10/07/2009
720 - 203Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers01/29/2001
720 - 204Longmont, COAT&T LocalBoulder CountyLandline Numbers02/27/1999
720 - 205Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers06/30/2001
720 - 206Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 207Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers05/10/1999
720 - 208Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 209Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers01/14/2000
720 - 210Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 212Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 213Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers06/30/2001
720 - 214Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers03/03/2001
720 - 215Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyLandline Numbers10/12/2009
720 - 216Aurora, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers01/29/2001
720 - 217Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers02/27/1999
720 - 218Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers01/14/2000
720 - 219Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers01/14/2000
720 - 220Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers05/10/1999
720 - 221Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 222Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers05/10/1999
720 - 223Brighton, COXo Colorado, LLCAdams CountyLandline Numbers05/10/1999
720 - 224Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 225Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 226Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 227Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 228Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 229Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 230Brighton, COXo Colorado, LLCAdams CountyLandline Numbers05/10/1999
720 - 231Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers05/10/1999
720 - 232Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 233Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 234Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 235Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 236Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 237Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers09/28/2009
720 - 238Denver, COT-mobile Usa, Inc.Denver CountyLandline Numbers06/30/2001
720 - 239Denver, COAT&T LocalDenver CountyLandline Numbers03/03/2001
720 - 240Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 241Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 242Denver, COQwest CorporationJefferson CountyLandline Numbers10/09/2008
720 - 243Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers06/30/2009
720 - 244Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers06/30/2001
720 - 245Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers11/21/2011
720 - 246Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers05/10/1999
720 - 247Brighton, COXo Colorado, LLCAdams CountyLandline Numbers05/20/2004
720 - 248Denver, COCbeyond Communications, LLC - CODenver CountyLandline Numbers10/31/2000
720 - 249Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 250Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 251Aurora, COLevel 3 Communications, LLC - COArapahoe CountyLandline Numbers10/25/2002
720 - 252Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 253Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 254Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 255Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 256Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 257Denver, COXo Colorado, LLCJefferson CountyLandline Numbers05/10/1999
720 - 258Denver, COTeleport Communications America, LLC - CODenver CountyLandline Numbers10/31/2000
720 - 259Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers10/25/2002
720 - 260Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers06/13/2000
720 - 261Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers05/10/1999
720 - 262Aurora, COIcg Telecom Group - COArapahoe CountyLandline Numbers08/20/2000
720 - 263Brighton, COLevel 3 Communications, LLC - COAdams CountyLandline Numbers10/25/2002
720 - 264Denver, COQwest CorporationDenver CountyLandline Numbers03/03/2001
720 - 265Brighton, COXo Colorado, LLCAdams CountyLandline Numbers05/03/2004
720 - 266Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers10/25/2002
720 - 267Denver, COQwest CorporationJefferson CountyLandline Numbers06/30/2001
720 - 268Denver, COQwest CorporationJefferson CountyLandline Numbers06/30/2001
720 - 269Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers05/10/1999
720 - 270Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 271Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers06/13/2000
720 - 272Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers01/18/2001
720 - 273Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers01/18/2001
720 - 274Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers03/03/2001
720 - 275Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers02/22/2001
720 - 276Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers02/22/2001
720 - 277Aurora, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers03/03/2001
720 - 278Aurora, COTw Telecom Of Colorado LLC - COArapahoe CountyLandline Numbers01/25/2001
720 - 279Denver, COTw Telecom Of Colorado LLC - COArapahoe CountyLandline Numbers01/25/2001
720 - 280Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers10/31/2000
720 - 281Aurora, COCellco Partnership DBA Verizon Wireless - COArapahoe CountyWireless Numbers06/13/2000
720 - 282Denver, COTw Telecom Of Colorado LLC - COArapahoe CountyLandline Numbers01/25/2001
720 - 283Denver, COQwest CorporationJefferson CountyLandline Numbers02/27/1999
720 - 284Denver, COXo Colorado, LLCJefferson CountyLandline Numbers02/27/1999
720 - 285Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers01/30/2009
720 - 286Denver, COTeleport Communications America, LLC - COJefferson CountyLandline Numbers04/30/2002
720 - 287Denver, COComcast Phone Of Colorado, LLC - CODenver CountyLandline Numbers04/30/2010
720 - 288Aurora, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers02/26/2010
720 - 289Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers07/25/2001
720 - 290Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 291Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 292Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers03/04/2009
720 - 293Denver, COXo Colorado, LLCAdams CountyLandline Numbers06/13/2000
720 - 294Denver, COXo Colorado, LLCAdams CountyLandline Numbers06/13/2000
720 - 295Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers03/01/2010
720 - 296Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/12/2001
720 - 297Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/12/2001
720 - 298Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/12/2001
720 - 299Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers03/03/2001
720 - 300Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 301Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 302Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 304Denver, COQwest CorporationJefferson CountyLandline Numbers02/27/1999
720 - 305Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers01/29/2001
720 - 306Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers01/29/2001
720 - 307Lyons, COAT&T LocalLarimer CountyLandline Numbers08/02/2012
720 - 308Denver, CONew Cingular Wireless PCS, LLCJefferson CountyLandline Numbers08/14/2001
720 - 309Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers12/05/2001
720 - 310Lyons, COTeleport Communications America, LLC - COLarimer CountyLandline Numbers05/10/1999
720 - 312Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/20/2001
720 - 313Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/20/2001
720 - 314Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/20/2001
720 - 315Denver, CO360networks (usa) Inc. - COJefferson CountyLandline Numbers10/14/2009
720 - 316Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers05/24/2010
720 - 317Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers01/14/2000
720 - 318Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers02/27/1999
720 - 319Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers04/19/2001
720 - 320Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers06/13/2000
720 - 321Denver, COQwest CorporationJefferson CountyLandline Numbers05/29/2008
720 - 322Denver, COQwest CorporationDenver CountyLandline Numbers10/31/2000
720 - 323Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers03/03/2001
720 - 324Aurora, COComcast Phone Of Colorado, LLC - COArapahoe CountyLandline Numbers10/31/2000
720 - 325Aurora, COT-mobile Usa, Inc.Denver CountyWireless Numbers08/06/2010
720 - 326Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers06/13/2011
720 - 327Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers10/18/2001
720 - 328Denver, COComcast Phone Of Colorado, LLC - CODenver CountyLandline Numbers10/20/2009
720 - 329Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers10/18/2001
720 - 330Denver, COIcg Telecom Group - CODenver CountyLandline Numbers02/27/1999
720 - 331Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers08/20/2000
720 - 332Denver, COMcimetro Access Transmission Services LLCJefferson CountyLandline Numbers02/27/1999
720 - 333Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers05/14/2001
720 - 334Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers05/14/2001
720 - 335Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers05/14/2001
720 - 336Keenesburg, COBandwidth.com Clec, LLC - COWeld CountyLandline Numbers07/19/2010
720 - 337Denver, COQwest CorporationJefferson CountyLandline Numbers02/18/2009
720 - 338Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers11/19/2001
720 - 339Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers02/27/1999
720 - 340Longmont, COCellco Partnership DBA Verizon Wireless - COBoulder CountyWireless Numbers09/04/2009
720 - 341Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers10/31/2000
720 - 342Denver, COAT&T LocalJefferson CountyLandline Numbers04/15/2009
720 - 343Aurora, COLevel 3 Communications, LLC - COArapahoe CountyLandline Numbers10/31/2003
720 - 344Littleton, COQwest CorporationDouglas CountyLandline Numbers10/13/1999
720 - 345Denver, COZippytech IncorporatedJefferson CountyLandline Numbers12/28/2007
720 - 346Denver, COCellco Partnership DBA Verizon Wireless - CODenver CountyLandline Numbers02/27/1999
720 - 347Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers09/28/2009
720 - 348Littleton, COQwest CorporationDouglas CountyLandline Numbers10/31/2000
720 - 349Denver, COAT&T LocalDenver CountyLandline Numbers03/28/2011
720 - 350Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/27/1999
720 - 351Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/27/1999
720 - 352Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers02/27/1999
720 - 353Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/27/1999
720 - 354Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers06/30/2011
720 - 355Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers08/16/2012
720 - 356Denver, COAT&T LocalDenver CountyLandline Numbers02/27/1999
720 - 357Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers07/05/2012
720 - 358Hudson, COMcimetro Access Transmission Services LLCWeld CountyLandline Numbers09/09/2009
720 - 359Denver, COQwest CorporationDenver CountyLandline Numbers02/27/1999
720 - 360Denver, CONew Cingular Wireless PCS, LLCDenver CountyWireless Numbers01/28/2013
720 - 361Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers07/03/2013
720 - 362Denver, COQwest CorporationDenver CountyLandline Numbers06/06/2007
720 - 363Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers10/13/1999
720 - 364Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Denver CountyWireless Numbers01/15/2002
720 - 365Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/15/2002
720 - 366Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/15/2002
720 - 367Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers12/13/2004
720 - 368Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers04/30/2004
720 - 369Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers03/14/2011
720 - 370Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers01/04/2013
720 - 371Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers10/13/1999
720 - 372Aurora, COT-mobile Usa, Inc.Arapahoe CountyWireless Numbers09/09/2013
720 - 373Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers10/13/1999
720 - 374Denver, COQwest CorporationDenver CountyLandline Numbers06/13/2000
720 - 375Denver, COCommnet Wireless, LLCJefferson CountyWireless Numbers07/10/2007
720 - 376Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers11/12/2012
720 - 377Denver, COXo Colorado, LLCDenver CountyLandline Numbers01/14/2000
720 - 378Longmont, CONew Cingular Wireless PCS, LLCBoulder CountyWireless Numbers01/19/2010
720 - 379Denver, COIcg Telecom Group - CODenver CountyLandline Numbers08/20/2000
720 - 380Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/01/2013
720 - 381Denver, COComcast Phone Of Colorado, LLC - COJefferson CountyLandline Numbers08/03/2005
720 - 382Denver, COEschelon Telecom Of Colorado, Inc. - COAdams CountyLandline Numbers08/20/2000
720 - 383Fort Lupton, COCellco Partnership DBA Verizon Wireless - COWeld CountyWireless Numbers11/13/2008
720 - 384Denver, COXo Colorado, LLCAdams CountyLandline Numbers08/20/2000
720 - 385Denver, COXo Colorado, LLCAdams CountyLandline Numbers08/20/2000
720 - 386Idaho Springs, COBandwidth.com Clec, LLC - COClear Creek CountyLandline Numbers12/03/2012
720 - 387Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers09/04/2012
720 - 388Aurora, COCellco Partnership DBA Verizon Wireless - COAdams CountyWireless Numbers01/11/2010
720 - 389Denver, COXo Colorado, LLCJefferson CountyLandline Numbers11/17/2008
720 - 390Denver, COIloka, Inc. DBA Newcloud Networks - CODenver CountyLandline Numbers07/18/2013
720 - 391Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers07/12/2013
720 - 392Deer Trail, COYmax Communications Corp. - COArapahoe CountyLandline Numbers01/30/2009
720 - 393Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers06/07/2010
720 - 394Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers03/03/2001
720 - 395Denver, COAT&T LocalDenver CountyLandline Numbers09/04/2009
720 - 396Denver, COAT&T LocalDenver CountyLandline Numbers09/08/2009
720 - 397Denver, COAT&T LocalDenver CountyLandline Numbers09/08/2009
720 - 398Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers06/28/2010
720 - 399Denver, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers05/06/2011
720 - 400Englewood, COT-mobile Usa, Inc.Arapahoe CountyWireless Numbers10/28/2010
720 - 401Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers01/13/2009
720 - 402Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers05/10/2011
720 - 403Denver, COPeerless Network Of Colorado, LLC - CODenver CountyLandline Numbers
720 - 404Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers10/18/2001
720 - 405Denver, COHypercube Telecom, LLC - CODenver CountyLandline Numbers08/30/2013
720 - 406Denver, COQwest CorporationJefferson CountyLandline Numbers07/22/1999
720 - 407Denver, COCbeyond Communications, LLC - CODenver CountyLandline Numbers10/31/2000
720 - 408Brighton, COBandwidth.com Clec, LLC - COAdams CountyLandline Numbers11/15/2012
720 - 409Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers11/22/2011
720 - 410Comcast Phone Of Colorado, LLC - CO06/27/2014
720 - 412Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers06/28/2010
720 - 413Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers08/27/2008
720 - 414Lyons, COLevel 3 Communications, LLC - COLarimer CountyLandline Numbers10/04/2011
720 - 415Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers06/12/2013
720 - 416Metro PCS, Inc.06/30/2014
720 - 418Denver, COMcimetro Access Transmission Services LLCDenver CountyLandline Numbers03/12/2014
720 - 420Denver, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers05/26/2010
720 - 421Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers03/20/2009
720 - 422Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers09/26/2001
720 - 423Denver, COQwest CorporationJefferson CountyLandline Numbers04/22/2004
720 - 424Denver, COQwest CorporationJefferson CountyLandline Numbers04/22/2004
720 - 425Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyLandline Numbers01/15/2008
720 - 426Denver, COQwest CorporationDenver CountyLandline Numbers04/20/2010
720 - 427Aurora, COT-mobile Usa, Inc.Arapahoe CountyWireless Numbers02/04/2002
720 - 428Denver, COBroadvox-clec, LLC - COJefferson CountyLandline Numbers12/12/2011
720 - 429Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers07/02/2008
720 - 430Denver, COAT&T LocalDenver CountyLandline Numbers06/28/2012
720 - 431Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers09/22/2010
720 - 432Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers02/26/2010
720 - 433Denver, COMcleodusa Telecommunications Services, Inc.- CoJefferson CountyLandline Numbers02/12/2008
720 - 434Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Denver CountyWireless Numbers06/30/2001
720 - 435Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Arapahoe CountyWireless Numbers06/30/2001
720 - 436Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers06/30/2001
720 - 437Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers02/08/2011
720 - 438Longmont, CO360networks (usa) Inc. - COBoulder CountyLandline Numbers09/26/2006
720 - 439Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers04/21/2010
720 - 440Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Denver CountyWireless Numbers05/12/2010
720 - 441Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers05/18/2011
720 - 442Longmont, COBandwidth.com Clec, LLC - COBoulder CountyLandline Numbers04/04/2011
720 - 443Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers10/07/2010
720 - 444Denver, COQwest CorporationDenver CountyLandline Numbers01/14/2000
720 - 445Denver, COCellco Partnership DBA Verizon Wireless - CODenver CountyWireless Numbers09/15/2010
720 - 446Denver, COXo Colorado, LLCJefferson CountyLandline Numbers02/23/2011
720 - 447Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers02/22/2008
720 - 448Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers04/09/2008
720 - 449Denver, COXo Colorado, LLCDenver CountyLandline Numbers01/14/2000
720 - 450Denver, COMcimetro Access Transmission Services LLCDenver CountyLandline Numbers01/08/2014
720 - 451Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers
720 - 452Denver, COPeerless Network Of Colorado, LLC - CODenver CountyLandline Numbers12/28/2010
720 - 453Teleport Communications America, LLC - CO06/12/2014
720 - 454Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers08/11/2010
720 - 455Denver, COQwest CorporationJefferson CountyLandline Numbers07/02/2010
720 - 456Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers07/23/2013
720 - 457Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers05/28/2008
720 - 458Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers09/27/2010
720 - 459Denver, COOnvoy, Inc. - COJefferson CountyLandline Numbers10/15/2010
720 - 460Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers11/13/2013
720 - 463Sedalia, COOnvoy, Inc. - CODouglas CountyLandline Numbers02/05/2013
720 - 464Denver, COBandwidth.com Clec, LLC - COJefferson CountyLandline Numbers04/21/2011
720 - 465Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers01/03/2012
720 - 466Fort Lupton, CONew Cingular Wireless PCS, LLCWeld CountyWireless Numbers06/28/2010
720 - 467Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers01/10/2014
720 - 468Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers12/17/2001
720 - 469Denver, CONew Cingular Wireless PCS, LLCDenver CountyLandline Numbers09/23/2011
720 - 470Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers08/20/2000
720 - 471Cellco Partnership DBA Verizon Wireless - CO06/12/2014
720 - 472Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers05/10/1999
720 - 473Denver, COCbeyond Communications, LLC - COJefferson CountyLandline Numbers12/11/2007
720 - 474Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers10/31/2011
720 - 475Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers05/10/1999
720 - 476New Cingular Wireless PCS, LLC05/19/2014
720 - 477Henderson, CO360networks (usa) Inc. - COAdams CountyLandline Numbers08/09/2011
720 - 478Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers05/08/2013
720 - 479Denver, COTeleport Communications America, LLC - CODenver CountyLandline Numbers06/13/2000
720 - 480Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers08/20/2000
720 - 482Denver, COQwest CorporationDenver CountyLandline Numbers01/14/2000
720 - 484Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers07/18/2011
720 - 485Comcast Phone Of Colorado, LLC - CO05/08/2014
720 - 488Denver, COQwest CorporationDenver CountyLandline Numbers03/03/2001
720 - 489Denver, COQwest CorporationDenver CountyLandline Numbers02/27/1999
720 - 490Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers02/27/1999
720 - 491Longmont, CONew Cingular Wireless PCS, LLCBoulder CountyWireless Numbers11/16/2011
720 - 493Denver, COQwest CorporationDenver CountyLandline Numbers01/14/2000
720 - 494Longmont, COQwest CorporationBoulder CountyLandline Numbers06/13/2000
720 - 495Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers09/28/2001
720 - 496Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers12/17/2001
720 - 497Golden, COQwest CorporationJefferson CountyLandline Numbers07/22/1999
720 - 498Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers09/10/2012
720 - 499Aurora, COT-mobile Usa, Inc.Arapahoe CountyWireless Numbers08/09/2011
720 - 502Denver, COComcast Phone Of Colorado, LLC - CODenver CountyLandline Numbers11/15/2012
720 - 504Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers05/24/2013
720 - 505Aurora, COCellco Partnership DBA Verizon Wireless - COArapahoe CountyWireless Numbers01/11/2011
720 - 506Denver, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers12/17/2001
720 - 508Denver, COEschelon Telecom Of Colorado, Inc. - COJefferson CountyLandline Numbers06/26/2012
720 - 509Denver, COXo Colorado, LLCJefferson CountyLandline Numbers04/02/2010
720 - 514Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers05/10/1999
720 - 515Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers02/11/2010
720 - 518Eschelon Telecom Of Colorado, Inc. - CO05/16/2014
720 - 519Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers05/10/1999
720 - 521Denver, COAmerican Messaging (am), Inc.Denver CountyWireless Numbers07/22/1999
720 - 522Englewood, COXo Colorado, LLCArapahoe CountyLandline Numbers11/19/2010
720 - 523Brighton, COQwest CorporationAdams CountyLandline Numbers05/24/2010
720 - 524Denver, COQwest CorporationDenver CountyLandline Numbers06/13/2000
720 - 525Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers04/02/2013
720 - 526New Cingular Wireless PCS, LLC06/12/2014
720 - 528Denver, COQwest CorporationDenver CountyLandline Numbers07/22/1999
720 - 529Denver, COQwest CorporationDenver CountyLandline Numbers07/22/1999
720 - 530Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers10/31/2000
720 - 532Aurora, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 533Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 535Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 536Denver, COQwest CorporationDenver CountyLandline Numbers06/30/2001
720 - 538Fort Lupton, COCellco Partnership DBA Verizon Wireless - COWeld CountyWireless Numbers09/24/2012
720 - 539Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers07/08/2011
720 - 540Denver, COQwest CorporationAdams CountyLandline Numbers05/10/1999
720 - 541Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers09/28/2012
720 - 542Denver, COQwest CorporationAdams CountyLandline Numbers10/31/2000
720 - 544Denver, COQwest CorporationJefferson CountyLandline Numbers10/31/2000
720 - 545Denver, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers06/12/2009
720 - 548Denver, COGlobal Crossing Local Services, Inc.-coJefferson CountyLandline Numbers05/10/1999
720 - 549Denver, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers07/22/1999
720 - 550Denver, COMcleodusa Telecommunications Services, Inc.- CoJefferson CountyLandline Numbers06/25/2013
720 - 551Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers04/01/2011
720 - 552Longmont, COCellco Partnership DBA Verizon Wireless - COBoulder CountyWireless Numbers11/16/2012
720 - 553Aurora, COQwest CorporationArapahoe CountyLandline Numbers06/22/2012
720 - 554Denver, COQwest CorporationDenver CountyLandline Numbers08/20/2000
720 - 556Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers05/10/2011
720 - 557Denver, COCellco Partnership DBA Verizon Wireless - CODenver CountyWireless Numbers06/12/2013
720 - 558Denver, COQwest CorporationJefferson CountyLandline Numbers03/13/2002
720 - 559Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 560Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers10/31/2000
720 - 561Denver, COQwest CorporationJefferson CountyLandline Numbers04/18/2008
720 - 562Denver, COQwest CorporationJefferson CountyLandline Numbers03/03/2001
720 - 563Denver, COQwest CorporationJefferson CountyLandline Numbers02/27/1999
720 - 564Denver, COQwest CorporationJefferson CountyLandline Numbers06/13/2000
720 - 565Denver, COQwest CorporationJefferson CountyLandline Numbers10/31/2000
720 - 566Denver, COQwest CorporationAdams CountyLandline Numbers10/31/2000
720 - 567Denver, COLevel 3 Communications, LLC - COAdams CountyLandline Numbers07/22/1999
720 - 568Denver, COQwest CorporationAdams CountyLandline Numbers02/27/2001
720 - 569Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers10/08/2008
720 - 570Denver, COQwest CorporationDenver CountyLandline Numbers10/13/1999
720 - 577Level 3 Communications, LLC - CO07/03/2014
720 - 578Denver, COQwest CorporationDenver CountyLandline Numbers06/30/2001
720 - 579Denver, COXo Colorado, LLCDenver CountyLandline Numbers01/14/2000
720 - 580Keenesburg, COBandwidth.com Clec, LLC - COWeld CountyLandline Numbers03/15/2013
720 - 581Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers03/03/2001
720 - 583Denver, CO360networks (usa) Inc. - COJefferson CountyLandline Numbers09/30/2010
720 - 585Denver, COCommnet Wireless, LLCJefferson CountyWireless Numbers11/02/2012
720 - 587Denver, COAT&T LocalDenver CountyLandline Numbers02/27/1999
720 - 588Denver, CO365 Wireless, LLCDenver CountyWireless Numbers10/17/2012
720 - 589Aurora, COT-mobile Usa, Inc.Arapahoe CountyWireless Numbers04/30/2013
720 - 590Denver, CO360networks (usa) Inc. - COJefferson CountyLandline Numbers02/05/2013
720 - 593Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers04/02/2014
720 - 596Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 599Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers02/13/2012
720 - 600Longmont, CO360networks (usa) Inc. - COBoulder CountyLandline Numbers12/20/2012
720 - 606Fort Lupton, CONew Cingular Wireless PCS, LLCWeld CountyWireless Numbers08/12/2011
720 - 608Idaho Springs, COBandwidth.com Clec, LLC - COClear Creek CountyLandline Numbers07/19/2010
720 - 609New Cingular Wireless PCS, LLC06/03/2014
720 - 612Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers07/22/2011
720 - 613Hudson, COMcimetro Access Transmission Services LLCWeld CountyLandline Numbers03/01/2013
720 - 618Cellco Partnership DBA Verizon Wireless - CO07/10/2014
720 - 619Idaho Springs, COBandwidth.com Clec, LLC - COClear Creek CountyLandline Numbers03/25/2014
720 - 620Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers03/27/2002
720 - 621Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers03/27/2002
720 - 622Denver, COQwest CorporationJefferson CountyLandline Numbers10/31/2000
720 - 623Denver, CONeutral Tandem-colorado, LLC - CODenver CountyLandline Numbers02/17/2012
720 - 624Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers06/30/2001
720 - 625Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers09/20/2011
720 - 626Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers01/11/2011
720 - 627Denver, COQwest CorporationAdams CountyLandline Numbers03/06/2012
720 - 628Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers03/04/2002
720 - 629Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers03/04/2002
720 - 630Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers10/23/2013
720 - 633Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers12/28/2010
720 - 634Brighton, COMcimetro Access Transmission Services LLCAdams CountyLandline Numbers11/16/2012
720 - 635Denver, CONew Cingular Wireless PCS, LLCJefferson CountyWireless Numbers02/27/1999
720 - 636Denver, COCellco Partnership DBA Verizon Wireless - CODenver CountyWireless Numbers11/13/2013
720 - 638Denver, COComcast Phone Of Colorado, LLC - COJefferson CountyLandline Numbers01/17/2013
720 - 639360networks (usa) Inc. - CO05/14/2014
720 - 641Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers10/31/2000
720 - 644Denver, COMcleodusa Telecommunications Services, Inc.- CoDenver CountyLandline Numbers04/01/2011
720 - 645Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers03/05/2014
720 - 648Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers05/10/2011
720 - 652Longmont, COQwest CorporationBoulder CountyLandline Numbers03/03/2001
720 - 658Denver, COTelstar Communications IncJefferson CountyWireless Numbers03/26/2010
720 - 660Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers04/08/2014
720 - 663Denver, COBandwidth.com Clec, LLC - COJefferson CountyLandline Numbers05/28/2008
720 - 666Denver, COPeerless Network Of Colorado, LLC - CODenver CountyLandline Numbers05/23/2012
720 - 670Aurora, COCellco Partnership DBA Verizon Wireless - COArapahoe CountyWireless Numbers08/20/2000
720 - 675Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers05/12/2009
720 - 683Fort Lupton, COBandwidth.com Clec, LLC - COWeld CountyLandline Numbers05/15/2013
720 - 684Longmont, COIcg Telecom Group - COBoulder CountyLandline Numbers10/13/1999
720 - 685Brighton, COQwest CorporationAdams CountyLandline Numbers06/13/2000
720 - 686Denver, COXo Colorado, LLCJefferson CountyLandline Numbers10/14/2010
720 - 689Denver, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers04/04/2011
720 - 690Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers03/27/2002
720 - 708Denver, COTeliax, Inc. - CODenver CountyLandline Numbers08/12/2011
720 - 722Denver, COCenturylink Communications LLCDenver CountyLandline Numbers05/21/2010
720 - 723Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers02/04/2013
720 - 724Denver, COEschelon Telecom Of Colorado, Inc. - CODenver CountyLandline Numbers04/02/2013
720 - 726Denver, COComcast Phone Of Colorado, LLC - COJefferson CountyLandline Numbers10/29/2013
720 - 729Keenesburg, COBandwidth.com Clec, LLC - COWeld CountyLandline Numbers03/02/2012
720 - 732Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers05/10/1999
720 - 733Denver, COQwest CorporationJefferson CountyLandline Numbers06/13/2000
720 - 737Denver, COCellco Partnership DBA Verizon Wireless - COJefferson CountyWireless Numbers12/13/2012
720 - 739Bandwidth.com Clec, LLC - CO04/29/2014
720 - 744Aurora, COQwest CorporationArapahoe CountyLandline Numbers10/31/2000
720 - 746Golden, COQwest CorporationJefferson CountyLandline Numbers05/10/1999
720 - 747Aurora, COQwest CorporationArapahoe CountyLandline Numbers01/14/2000
720 - 748Aurora, COQwest CorporationArapahoe CountyLandline Numbers07/22/1999
720 - 754Denver, COTw Telecom Of Colorado LLC - COJefferson CountyLandline Numbers03/30/2010
720 - 763Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers11/05/2009
720 - 767T-mobile Usa, Inc.07/14/2014
720 - 771Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers08/20/2000
720 - 775Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers10/14/2009
720 - 777Aurora, COQwest CorporationArapahoe CountyLandline Numbers02/09/2006
720 - 785Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 789Aurora, COLevel 3 Communications, LLC - CODenver CountyLandline Numbers08/05/2011
720 - 800Henderson, CO360networks (usa) Inc. - COAdams CountyLandline Numbers11/08/2012
720 - 808Aurora, COBandwidth.com Clec, LLC - CODenver CountyLandline Numbers10/20/2010
720 - 810Aurora, COCellco Partnership DBA Verizon Wireless - COArapahoe CountyWireless Numbers08/20/2000
720 - 822Cellco Partnership DBA Verizon Wireless - CO05/12/2014
720 - 833Denver, COQwest CorporationDenver CountyLandline Numbers01/14/2000
720 - 834Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 836Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 837Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 838Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 839Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 840Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 841Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers07/22/1999
720 - 842Denver, COQwest CorporationJefferson CountyLandline Numbers10/31/2000
720 - 847Aurora, COQwest CorporationArapahoe CountyLandline Numbers11/05/2003
720 - 848Aurora, COQwest CorporationArapahoe CountyLandline Numbers06/13/2000
720 - 849Denver, COSprint Spectrum L.p.Jefferson CountyWireless Numbers07/22/1999
720 - 851Denver, COQwest CorporationJefferson CountyLandline Numbers05/10/1999
720 - 852Denver, COQwest CorporationJefferson CountyLandline Numbers06/30/2001
720 - 854Denver, COQwest CorporationDenver CountyLandline Numbers10/31/2000
720 - 855Denver, COQwest CorporationDenver CountyLandline Numbers07/22/1999
720 - 857Aurora, COQwest CorporationArapahoe CountyLandline Numbers08/20/2000
720 - 858Aurora, COQwest CorporationArapahoe CountyLandline Numbers01/14/2000
720 - 859Aurora, COQwest CorporationArapahoe CountyLandline Numbers05/10/1999
720 - 862Aurora, COXo Colorado, LLCDenver CountyLandline Numbers06/13/2000
720 - 863Denver, COXo Colorado, LLCAdams CountyLandline Numbers06/13/2000
720 - 864Longmont, COQwest CorporationBoulder CountyLandline Numbers06/13/2000
720 - 865Denver, COIcg Telecom Group - CODenver CountyLandline Numbers10/13/1999
720 - 870Denver, COQwest CorporationJefferson CountyLandline Numbers01/14/2000
720 - 872Denver, COQwest CorporationAdams CountyLandline Numbers05/10/1999
720 - 873Denver, COQwest CorporationJefferson CountyLandline Numbers06/13/2000
720 - 874Denver, COQwest CorporationJefferson CountyLandline Numbers01/14/2000
720 - 875Denver, COQwest CorporationJefferson CountyLandline Numbers05/10/1999
720 - 876Denver, COQwest CorporationJefferson CountyLandline Numbers10/31/2000
720 - 877Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 878Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 879Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 880Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 881Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 882Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 883Denver, COIcg Telecom Group - COJefferson CountyLandline Numbers10/13/1999
720 - 884Denver, COQwest CorporationDenver CountyLandline Numbers01/14/2000
720 - 885Denver, COLeap Wireless Intl, Inc. DBA Cricket Comm, Inc.Jefferson CountyWireless Numbers02/04/2010
720 - 886Denver, COQwest CorporationJefferson CountyLandline Numbers08/20/2000
720 - 887Denver, COQwest CorporationAdams CountyLandline Numbers01/14/2000
720 - 888Denver, COLevel 3 Communications, LLC - COAdams CountyLandline Numbers07/22/1999
720 - 889Denver, COXo Colorado, LLCDenver CountyLandline Numbers10/31/2000
720 - 890Denver, COQwest CorporationJefferson CountyLandline Numbers07/22/1999
720 - 891Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers12/17/2001
720 - 895Denver, COQwest CorporationJefferson CountyLandline Numbers07/22/1999
720 - 897Denver, COGlobal Crossing Local Services, Inc.-coJefferson CountyLandline Numbers10/13/1999
720 - 898Denver, COQwest CorporationJefferson CountyLandline Numbers01/14/2000
720 - 903Denver, COGlobal Crossing Local Services, Inc.-coJefferson CountyLandline Numbers10/13/1999
720 - 904Denver, COQwest CorporationDenver CountyLandline Numbers07/22/1999
720 - 907Denver, COGlobal Crossing Local Services, Inc.-coJefferson CountyLandline Numbers10/13/1999
720 - 913Denver, COIcg Telecom Group - CODenver CountyLandline Numbers10/13/1999
720 - 917Denver, COQwest CorporationDenver CountyLandline Numbers07/22/1999
720 - 920Denver, COTeleport Communications America, LLC - COArapahoe CountyLandline Numbers02/27/1999
720 - 921Denver, COIcg Telecom Group - CODenver CountyLandline Numbers10/13/1999
720 - 922Denver, COQwest CorporationJefferson CountyLandline Numbers08/20/2000
720 - 924Sedalia, COQwest CorporationDouglas CountyLandline Numbers10/31/2000
720 - 929Denver, COQwest CorporationAdams CountyLandline Numbers10/13/1999
720 - 931Denver, COQwest CorporationDenver CountyLandline Numbers10/13/1999
720 - 932Denver, COQwest CorporationDenver CountyLandline Numbers08/20/2000
720 - 933Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers06/13/2000
720 - 934Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers06/13/2000
720 - 935Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers10/13/1999
720 - 936Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers10/13/1999
720 - 937Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers10/13/1999
720 - 938Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers06/13/2000
720 - 939Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers06/13/2000
720 - 940Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers10/13/1999
720 - 941Denver, COQwest CorporationDenver CountyLandline Numbers10/13/1999
720 - 942Denver, COQwest CorporationDenver CountyLandline Numbers08/20/2000
720 - 943Denver, COGlobal Crossing Local Services, Inc.-coJefferson CountyLandline Numbers10/13/1999
720 - 944Denver, COQwest CorporationDenver CountyLandline Numbers05/10/1999
720 - 945Denver, COQwest CorporationDenver CountyLandline Numbers10/31/2000
720 - 946Denver, COQwest CorporationDenver CountyLandline Numbers10/31/2000
720 - 947Denver, COQwest CorporationDenver CountyLandline Numbers05/10/1999
720 - 949Aurora, COAT&T LocalJefferson CountyLandline Numbers02/27/1999
720 - 951Aurora, COCellco Partnership DBA Verizon Wireless - COArapahoe CountyWireless Numbers07/22/1999
720 - 956Denver, COQwest CorporationDenver CountyLandline Numbers06/30/2001
720 - 961Denver, COLevel 3 Communications, LLC - COJefferson CountyLandline Numbers10/13/1999
720 - 962Denver, COQwest CorporationJefferson CountyLandline Numbers05/10/1999
720 - 963Denver, COQwest CorporationJefferson CountyLandline Numbers01/14/2000
720 - 965Denver, COT-mobile Usa, Inc.Jefferson CountyWireless Numbers06/07/2013
720 - 971Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 972Denver, COQwest CorporationAdams CountyLandline Numbers04/23/2002
720 - 974Denver, COEschelon Telecom Of Colorado, Inc. - COJefferson CountyLandline Numbers10/31/2000
720 - 975Aurora, COEschelon Telecom Of Colorado, Inc. - COArapahoe CountyLandline Numbers10/31/2000
720 - 977Denver, COQwest CorporationAdams CountyLandline Numbers01/14/2000
720 - 979Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 980Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 981Denver, COQwest CorporationJefferson CountyLandline Numbers05/10/1999
720 - 982Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 984Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 985Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 987Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 988Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 989Denver, COSprint Spectrum L.p.Denver CountyWireless Numbers05/10/1999
720 - 998Aurora, COComcast Phone Of Colorado, LLC - COArapahoe CountyLandline Numbers12/01/2006
720 - 999Denver, CODishnet Wireline, L.l.c. - COJefferson CountyLandline Numbers07/22/2008