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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-632 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 6   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 8   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 9   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-633 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-633 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-02-25   
720-633 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-02-25   
720-633 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-02-25   
720-633 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-28   
720-633 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-28   
720-633 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-28   
720-633 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-28   
720-633 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-28   
720-633 8   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2011-02-28   
720-633 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-01   
720-634 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-634 0   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-634 1   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-634 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-03-02   
720-634 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-12-31   
720-634 4   318J COMCAST IP PHONE, LLC 656   2013-09-18   
720-634 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-07-06   
720-634 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-07-06   
720-634 7   026D ONVOY, LLC - CO 656   2013-02-15   
720-634 8   026D ONVOY, LLC - CO 656   2013-03-01   
720-634 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-07-25   
720-635 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-636 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-636 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-28   
720-636 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-636 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-636 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-637 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-637 0   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 1   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 2   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 3   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 4   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 5   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 6   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 7   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 8   026D ONVOY, LLC - CO 656   2021-11-20   
720-637 9   026D ONVOY, LLC - CO 656   2021-11-20   
720-638 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-638 0   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 1   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 2   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 3   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 4   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 5   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 6   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 7   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 8   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-638 9   318J COMCAST IP PHONE, LLC 656   2013-03-17   
720-639 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-639 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 2   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 3   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 4   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 5   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 6   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 7   026D ONVOY, LLC - CO 656   2014-07-13   
720-639 8   026D ONVOY, LLC - CO 656   2014-07-13   
720-639 9   318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-641 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-641 0   6529 T-MOBILE USA, INC. 656      
720-641 1   6529 T-MOBILE USA, INC. 656      
720-641 2   6529 T-MOBILE USA, INC. 656      
720-641 3   6529 T-MOBILE USA, INC. 656      
720-641 4   6529 T-MOBILE USA, INC. 656      
720-641 5   6529 T-MOBILE USA, INC. 656      
720-641 6   5562 METROPCS, INC. 656      
720-641 7   6529 T-MOBILE USA, INC. 656      
720-641 8   6529 T-MOBILE USA, INC. 656      
720-641 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-12-14   
720-642 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-642 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-12-06   
720-642 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 2   5562 METROPCS, INC. 656   2016-08-21   
720-642 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 4   5562 METROPCS, INC. 656   2016-08-21   
720-642 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-642 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-21   
720-643 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-643 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-10-16   
720-643 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-05-31   
720-643 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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