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
720-637 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-11-20   
720-638 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-638 0 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 1 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-639 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-639 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-13   
720-639 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-13   
720-639 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-640 A Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-640 0 Hudson CO DNVRCO26XIX  073H TELNYX LLC 656   2019-04-29   
720-640 1 Hudson CO DNVRCO26XIX  073H TELNYX LLC 656   2020-01-29   
720-640 2 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-03-21   
720-640 3 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-09-27   
720-640 4 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-10-26   
720-640 5 Hudson CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-11-07   
720-640 6 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-09-09   
720-640 7 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-09-09   
720-640 8 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-06-25   
720-640 9 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-06-25   
720-641 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 6 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-641 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-12-14   
720-642 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-642 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-12-06   
720-642 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 2 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-08-21   
720-642 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 4 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-08-21   
720-642 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-643 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-643 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-643 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-05-31   
720-643 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2015-10-16   
720-643 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-643 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-643 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-643 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-644 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-644 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-644 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-644 2 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2011-06-03   
720-644 3 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2011-06-02   
720-644 4 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2011-06-02   
720-644 5 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2011-06-02   
720-644 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-644 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-17   
720-644 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-644 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-645 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-645 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-05-06   
720-645 1 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-05-14   
720-645 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-05-14   
720-645 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-645 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-05-04   
720-646 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-646 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-11-22   
720-646 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-11-22   
720-646 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-11-22   
720-646 3 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2015-11-22   
720-646 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   
720-646 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   
720-646 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   
720-646 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   
720-646 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   
720-646 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-11-21   

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

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