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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-496 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 5   6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 6   6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 7   6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 8   6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 9   6529 T-MOBILE USA, INC. 656   2007-05-19   
720-497 A GLDNCOMADS0  9636 QWEST CORPORATION 656      
720-498 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-498 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-499 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-499 0   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-11   
720-499 1   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-11   
720-499 2   6529 T-MOBILE USA, INC. 656   2013-05-09   
720-499 3   6529 T-MOBILE USA, INC. 656   2013-05-27   
720-499 4   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 5   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 6   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 7   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 8   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 9   6529 T-MOBILE USA, INC. 656   2012-03-09   
720-500 A DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-500 0   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2014-11-28   
720-500 1   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2014-11-28   
720-500 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-06   
720-500 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-06   
720-500 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-06   
720-500 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-12-06   
720-500 6   026D ONVOY, LLC - CO 656   2014-12-19   
720-500 7   026D ONVOY, LLC - CO 656   2014-12-19   
720-500 8   026D ONVOY, LLC - CO 656   2014-12-19   
720-500 9   026D ONVOY, LLC - CO 656   2014-12-19   
720-501 A DNVRCOII3MD  5562 METROPCS, INC. 656      
720-501 0   5562 METROPCS, INC. 656   2014-10-19   
720-501 1   5562 METROPCS, INC. 656   2014-11-19   
720-501 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-21   
720-501 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-21   
720-501 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-21   
720-501 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-21   
720-501 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-21   
720-501 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-11-02   
720-501 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-11-02   
720-501 9   5562 METROPCS, INC. 656   2014-10-27   
720-502 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-502 0   026D ONVOY, LLC - CO 656   2013-01-15   
720-502 1   026D ONVOY, LLC - CO 656   2013-01-15   
720-502 2   318J COMCAST IP PHONE, LLC 656   2013-01-12   
720-502 3   318J COMCAST IP PHONE, LLC 656   2013-01-15   
720-502 4   318J COMCAST IP PHONE, LLC 656   2013-01-15   
720-502 5   318J COMCAST IP PHONE, LLC 656   2013-01-15   
720-502 6   318J COMCAST IP PHONE, LLC 656   2013-01-15   
720-502 7   318J COMCAST IP PHONE, LLC 656   2013-01-15   
720-502 8   026D ONVOY, LLC - CO 656   2013-01-15   
720-502 9   026D ONVOY, LLC - CO 656   2013-01-15   
720-503 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-503 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-503 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-11-16   
720-504 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-504 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 2   026D ONVOY, LLC - CO 656   2013-07-26   
720-504 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-504 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-26   
720-505 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-505 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-12   
720-505 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-12   
720-505 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-22   
720-505 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-29   
720-505 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-29   
720-505 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-05-19   
720-505 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-07   
720-505 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-28   
720-505 8   026D ONVOY, LLC - CO 656   2011-06-21   
720-505 9   6529 T-MOBILE USA, INC. 656   2011-07-09   
720-506 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 0   5562 METROPCS, INC. 656   2013-11-11   
720-506 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-15   
720-506 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-18   
720-506 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-10-30   

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

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