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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-485 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 6 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-06-24   
720-485 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-486 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-486 0 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-10-27   
720-486 1 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-10-03   
720-486 2 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-10-03   
720-486 3 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-10-03   
720-486 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-487 A Longmont CO DNVRCO26XIX  073H TELNYX LLC 656      
720-487 0 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 1 Longmont CO DNVRCO26XIX  073H TELNYX LLC 656   2017-01-30   
720-487 2 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 3 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 4 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 5 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 6 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 7 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 8 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 9 Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2017-05-28   
720-488 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-489 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-490 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-490 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2007-09-13   
720-490 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 6 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-490 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-11-02   
720-490 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-11-02   
720-491 A Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-491 0 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-05   
720-491 1 Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-10-06   
720-491 2 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-16   
720-491 3 Longmont CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-01-03   
720-491 4 Longmont CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-04-17   
720-491 5 Longmont CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2012-03-05   
720-491 6 Longmont CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-11-16   
720-491 7 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-18   
720-491 8 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-18   
720-491 9 Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-12-31   
720-492 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-492 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-10-10   
720-492 1 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2015-06-22   
720-492 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2015-07-03   
720-492 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-23   
720-492 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2014-10-09   
720-493 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-494 A Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-495 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-496 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2009-09-04   
720-496 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-11-14   
720-496 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-11-13   
720-496 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-497 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
720-498 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-498 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-25   
720-498 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-498 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-26   
720-499 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-499 0 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-11   
720-499 1 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-11   
720-499 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2013-05-09   
720-499 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2013-05-27   
720-499 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   
720-499 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-09   

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

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