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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-456 3 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-09-06   
720-456 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-09-06   
720-456 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-09-23   
720-456 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-09-13   
720-456 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-09-13   
720-456 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-09-09   
720-456 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-09-09   
720-457 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-457 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 3 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-457 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-11-05   
720-457 8 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-11-05   
720-457 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-08-05   
720-458 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-458 0 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2010-12-16   
720-458 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-13   
720-458 2 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-11-11   
720-458 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 8 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-13   
720-458 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-13   
720-459 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-459 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-05-29   
720-459 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-12-13   
720-459 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-21   
720-459 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-21   
720-459 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-06-28   
720-459 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-06-28   
720-459 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-12-13   
720-460 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-460 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-460 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-460 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-01-11   
720-460 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-03-09   
720-460 4 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-03-09   
720-460 5 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2014-01-17   
720-460 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-461 A Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-461 0 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-02-12   
720-461 1 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-02-12   
720-461 2 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-03-23   
720-461 3 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-03-23   
720-461 4 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-04-20   
720-461 5 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-04-20   
720-461 6 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-04-20   
720-461 7 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-05-18   
720-461 8 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-05-18   
720-461 9 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2016-02-12   
720-462 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-462 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-01-08   
720-463 A Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-463 0 Deckers CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-463 1 Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-14   
720-463 2 Deckers CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-04-08   
720-463 3 Deckers CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-05-25   
720-463 4 Deckers CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-05-25   
720-463 5 Deckers CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2014-03-20   
720-463 6 Deckers CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-463 7 Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-05   
720-463 8 Deckers CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-05   
720-463 9 Deckers CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-464 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-464 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-21   
720-464 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-21   
720-465 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-465 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-03-02   
720-465 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-04-13   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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