Local Calling Guide

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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-257 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-04-06   
720-257 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-04-06   
720-257 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2006-09-14   
720-257 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2006-09-14   
720-257 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2006-09-14   
720-257 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-11-29   
720-257 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-258 A Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 0 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 1 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 2 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-258 4 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2008-08-24   
720-258 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-258 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-258 7 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 8 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2008-07-11   
720-258 9 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-259 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-259 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-259 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 3 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-259 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 7 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 8 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-259 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-260 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-260 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-261 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-262 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-262 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-06-30   
720-262 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-12-16   
720-262 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-262 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-04   
720-262 4 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2001-09-05   
720-262 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-10-05   
720-262 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-31   
720-262 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-04   
720-262 8 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-07-20   
720-262 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 2 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2012-02-13   
720-263 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-08-31   
720-263 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-09-28   
720-263 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 8 Denver CO DNVRCOMA53Z  732J NUSO, LLC 656   2024-12-04   
720-263 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-06-22   
720-264 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-265 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-265 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-24   
720-265 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 8 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-266 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-266 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-07-17   
720-266 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-07-17   
720-266 2 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2008-12-19   
720-266 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-266 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-266 5 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-01-22   
720-266 6 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-08-25   
720-266 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-01-09   
720-266 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-266 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-267 A Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-268 A Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-269 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 0 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 1 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 2 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 3 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-269 5 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 6 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 7 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 8 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-270 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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