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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
720-475 1 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-01-29   
720-475 2 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 3 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 4 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-04-03   
720-475 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-04-18   
720-475 7 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-475 8 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2007-09-13   
720-475 9 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-476 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-476 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-476 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-476 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-476 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
720-476 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
720-476 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
720-476 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
720-476 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
720-476 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-476 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-03   
720-477 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-477 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-03-15   
720-477 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-09-07   
720-477 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-09-07   
720-477 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-09-07   
720-477 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-08-23   
720-477 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2013-01-02   
720-477 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-08   
720-477 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2011-10-08   
720-477 8 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2013-11-11   
720-477 9 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2013-11-11   
720-478 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-478 0 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 1 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 2 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 3 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 4 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 5 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 6 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 7 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 8 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-478 9 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-479 A Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 0 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 1 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 2 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 3 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 4 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 5 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 6 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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