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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
720-383 9 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-12-14   
720-384 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-384 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-384 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-384 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-384 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-03-24   
720-384 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-12-13   
720-384 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-12-13   
720-384 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-12-13   
720-384 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-12-13   
720-384 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-09-21   
720-384 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-10-10   
720-385 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-385 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-385 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-385 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-385 3 Denver CO DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2005-06-07   
720-385 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-03-10   
720-385 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-03-10   
720-385 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-03-10   
720-385 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-06-03   
720-385 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-06-03   
720-385 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-03   
720-386 A Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-386 0 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-02-02   
720-386 1 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-02-02   
720-386 2 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-02-02   
720-386 3 Georgetown CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-03-08   
720-386 4 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-13   
720-386 5 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-08-26   
720-386 6 Georgetown CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-386 7 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-02-15   
720-386 8 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-02-15   
720-386 9 Georgetown CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-387 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-387 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-29   
720-387 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-29   
720-387 2 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-10-26   
720-387 3 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-10-26   
720-387 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-10-26   
720-387 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-29   
720-387 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-29   
720-387 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-10-29   
720-387 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-10-29   
720-387 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-11-06   
720-388 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-388 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-03-13   
720-388 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-05-30   
720-388 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-05-20   
720-388 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-05-20   

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

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