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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-408 1 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-07-16   
970-408 2 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-21   
970-408 3 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-21   
970-408 4 Johnstown-Milliken CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2016-07-04   
970-408 5 Johnstown-Milliken CO DNVRCO26XIX  073H TELNYX LLC 656   2017-06-09   
970-408 6 Johnstown-Milliken CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2014-09-05   
970-408 7 Johnstown-Milliken CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-26   
970-408 8 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-07-28   
970-408 9 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-01-04   
970-409 A Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-409 0 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-409 1 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-13   
970-409 2 Dillon CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-04-08   
970-409 3 Dillon CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2009-03-31   
970-409 4 Dillon CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-05-22   
970-409 5 Dillon CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-06-27   
970-409 6 Dillon CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-03-25   
970-409 7 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-409 8 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-409 9 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-410 A Kremmling CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-410 0 Kremmling CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2014-11-16   
970-410 1 Kremmling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-08-05   
970-410 2 Kremmling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-17   
970-410 3 Kremmling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-17   
970-410 4 Kremmling CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2016-07-04   
970-410 5 Kremmling CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2018-12-29   
970-410 6 Kremmling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-410 7 Kremmling CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-19   
970-410 8 Kremmling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-410 9 Kremmling CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-412 A Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-413 A Fort Collins CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-413 0 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-10-17   
970-413 1 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-10-30   
970-413 2 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-11-02   
970-413 3 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-09-06   
970-413 4 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-09-06   
970-413 5 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2017-04-26   
970-413 6 Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-12-02   
970-413 7 Fort Collins CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2020-10-05   
970-413 8 Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-12-02   
970-413 9 Fort Collins CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-16   
970-414 A Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-414 0 Parachute CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-414 1 Parachute CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-04   
970-414 2 Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-414 3 Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-414 4 Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-12   
970-414 5 Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-414 6 Parachute CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-414 7 Parachute CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-01-04   
970-414 8 Parachute CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-414 9 Parachute CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-415 A Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-415 0 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-04-27   
970-415 1 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-08   
970-415 2 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-09-05   
970-415 3 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-09   
970-415 4 Greeley CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-05-15   
970-415 5 Greeley CO DNVRCOII0MD  5562 METROPCS, INC. 656   2013-11-11   
970-415 6 Greeley CO DNVRCOII0MD  5562 METROPCS, INC. 656   2013-11-11   
970-415 7 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-08-04   
970-415 8 Greeley CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-30   
970-415 9 Greeley CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-30   
970-416 A Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-417 A Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 0 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-03-08   
970-417 1 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 2 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 3 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 4 Montrose CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2008-05-05   
970-417 5 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 6 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-417 7 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
970-417 8 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-21   
970-417 9 Montrose CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-418 A Dillon CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-418 0 Dillon CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-418 1 Dillon CO   145J TERRA NOVA TELECOM INC. 656   2023-08-06   
970-418 2 Dillon CO   145J TERRA NOVA TELECOM INC. 656   2022-11-03   
970-418 4 Dillon CO   145J TERRA NOVA TELECOM INC. 656   2025-08-28   
970-418 8 Dillon CO   515J IP HORIZON LLC 656   2022-04-29   
970-419 A Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 0 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 1 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 2 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 3 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 4 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 5 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 6 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 7 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 8 Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-419 9 Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-12-02   
970-420 A Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-421 A Steamboat Springs CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-01-11   
970-422 A Durango CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-422 0 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-08-29   
970-422 1 Durango CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-06-16   
970-422 2 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   

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

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