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
720-506 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-06-21   
720-506 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-06-21   
720-506 8 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-06-21   
720-506 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-15   
720-507 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-507 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-507 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-21   
720-508 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-508 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-09-11   
720-508 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-08-24   
720-508 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-08-24   
720-508 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-08-24   
720-508 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-08-24   
720-508 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-08-24   
720-508 6 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2012-09-22   
720-508 7 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2012-09-22   
720-508 8 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-08-23   
720-508 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-08-24   
720-509 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-509 0 Denver CO CSRKCOFEGT2  5736 COMMNET WIRELESS, LLC 656   2010-06-02   
720-509 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-05-31   
720-509 8 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2010-06-16   
720-509 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-10   
720-510 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-510 0 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2017-07-31   
720-510 1 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-07-26   
720-510 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-07-26   
720-510 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-07-26   
720-510 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-07-31   
720-510 5 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2017-07-31   
720-510 6 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2017-07-31   
720-510 7 Denver CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-05   
720-510 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-07-31   
720-510 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-07-31   
720-512 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-512 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-06-30   
720-512 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-01   
720-512 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-06-23   
720-512 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-06-23   
720-512 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-06-23   
720-512 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-06-23   
720-512 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-25   
720-512 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-25   
720-512 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-25   
720-512 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-25   
720-513 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-513 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-513 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-09-24   
720-514 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-03-07   
720-514 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-07-20   
720-514 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-10-12   
720-514 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-10-12   
720-514 4 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 5 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 6 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 7 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 8 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-514 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-16   
720-515 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-515 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-515 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-516 A Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656      
720-516 0 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 1 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 2 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 3 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 4 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 5 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   
720-516 6 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656   2017-08-20   

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

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