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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-392 6 Deer Trail CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2020-04-10   
720-392 7 Deer Trail CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-07-16   
720-392 8 Deer Trail CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2020-12-05   
720-392 9 Deer Trail CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2020-12-05   
720-393 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-393 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-17   
720-393 1 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 2 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 3 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 5 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 6 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 7 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 8 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-07-29   
720-393 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-17   
720-394 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-395 A Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-395 0 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 1 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 2 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 3 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 4 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 5 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 6 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 7 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 8 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-395 9 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 A Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-396 0 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 1 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 2 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 3 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 4 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 5 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 6 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 7 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 8 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-396 9 Denver CO   7421 AT&T - LOCAL 656   2009-10-26   
720-397 A Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656      
720-397 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 4 Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656   2009-10-26   
720-397 5 Denver CO DNVRCOMAX5Z  7421 AT&T - LOCAL 656   2009-10-26   
720-397 6 Denver CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-397 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-397 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-27   
720-398 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-398 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-16   
720-398 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-26   
720-398 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-04-13   
720-398 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-10-01   
720-398 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-10-01   
720-398 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-10-09   
720-398 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2010-09-19   
720-398 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2010-09-19   
720-399 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-399 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-02-12   
720-399 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-27   
720-399 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-02-12   
720-399 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-399 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-28   
720-400 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-400 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-12-12   
720-400 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-09-03   
720-400 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2011-10-31   
720-400 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-01-10   
720-400 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-01-10   
720-400 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2010-12-12   
720-401 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-401 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-02-27   
720-402 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-402 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-27   
720-402 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-06-27   
720-402 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-06-27   
720-402 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2011-06-24   
720-402 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-27   
720-402 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   

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

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