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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-390 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-390 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-11-03   
720-390 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-11-03   
720-390 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-11-03   
720-390 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-10-21   
720-390 4   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-09-08   
720-390 5   318J COMCAST IP PHONE, LLC 656   2013-10-14   
720-390 6   318J COMCAST IP PHONE, LLC 656   2013-10-14   
720-390 7   318J COMCAST IP PHONE, LLC 656   2013-10-14   
720-390 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-11-03   
720-390 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-11-03   
720-391 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-391 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-08-26   
720-391 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-08-29   
720-391 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-08-29   
720-393 A AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-393 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-17   
720-393 1   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 2   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 3   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 4   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 5   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 6   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 7   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 8   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-17   
720-394 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-395 A DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-395 0   7421 AT&T - LOCAL 656   2009-10-26   
720-395 1   7421 AT&T - LOCAL 656   2009-10-26   
720-395 2   7421 AT&T - LOCAL 656   2009-10-26   
720-395 3   7421 AT&T - LOCAL 656   2009-10-26   
720-395 4   7421 AT&T - LOCAL 656   2009-10-26   
720-395 5   7421 AT&T - LOCAL 656   2009-10-26   
720-395 6   7421 AT&T - LOCAL 656   2009-10-26   
720-395 7   7421 AT&T - LOCAL 656   2009-10-26   
720-395 8   7421 AT&T - LOCAL 656   2009-10-26   
720-395 9   7421 AT&T - LOCAL 656   2009-10-26   
720-396 A DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-396 0   7421 AT&T - LOCAL 656   2009-10-26   
720-396 1   7421 AT&T - LOCAL 656   2009-10-26   
720-396 2   7421 AT&T - LOCAL 656   2009-10-26   
720-396 3   7421 AT&T - LOCAL 656   2009-10-26   
720-396 4   7421 AT&T - LOCAL 656   2009-10-26   
720-396 5   7421 AT&T - LOCAL 656   2009-10-26   
720-396 6   7421 AT&T - LOCAL 656   2009-10-26   
720-396 7   7421 AT&T - LOCAL 656   2009-10-26   
720-396 8   7421 AT&T - LOCAL 656   2009-10-26   
720-396 9   7421 AT&T - LOCAL 656   2009-10-26   
720-397 A DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-397 0   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 1   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 2   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 3   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 4   7421 AT&T - LOCAL 656   2009-10-26   
720-397 5   7421 AT&T - LOCAL 656   2009-10-26   
720-397 6   145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-397 7   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 8   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 9   6529 T-MOBILE USA, INC. 656   2009-10-27   
720-398 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-398 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-16   
720-398 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-26   
720-398 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-10-01   
720-398 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-10-01   
720-398 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-10-09   
720-398 8   318J COMCAST IP PHONE, LLC 656   2010-09-19   
720-398 9   318J COMCAST IP PHONE, LLC 656   2010-09-19   
720-399 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-399 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 3   026D ONVOY, LLC - CO 656   2012-02-12   
720-399 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 5   026D ONVOY, LLC - CO 656   2012-02-12   
720-399 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-400 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-400 0   6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 1   6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 2   6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-09-03   
720-400 4   6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 5   6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 6   6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-01-10   
720-400 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-01-10   
720-400 9   6529 T-MOBILE USA, INC. 656   2010-12-12   

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

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