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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-627 0 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 1 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 2 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 3 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 4 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-627 5 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 6 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-627 7 Grand Lake CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-06-03   
970-627 8 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-627 9 Grand Lake CO GDLKCOMARS1  9636 QWEST CORPORATION 656      
970-628 A Grand Junction CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656      
970-628 0 Grand Junction CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-05-19   
970-628 1 Grand Junction CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2011-03-06   
970-628 2 Grand Junction CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2011-12-01   
970-628 3 Grand Junction CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-05-19   
970-628 4 Grand Junction CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2011-09-23   
970-628 5 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-09-13   
970-628 6 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-10   
970-628 7 Grand Junction CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-11-01   
970-628 8 Grand Junction CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-09-29   
970-628 9 Grand Junction CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-629 A Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 0 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 1 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 2 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 3 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 4 Craig CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-01-15   
970-629 5 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 6 Craig CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-15   
970-629 7 Craig CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-629 8 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 9 Craig CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-630 A Yuma CO DNVRCOMA47Z  6874 N.E. COLORADO CELLULAR, INC. 656      
970-631 A Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-631 0 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-631 1 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-631 2 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-03-14   
970-631 3 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-03-14   
970-631 4 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-28   
970-631 5 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-08-31   
970-631 6 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-10-07   
970-631 7 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-10-27   
970-631 8 Fort Collins CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2006-09-22   
970-631 9 Fort Collins CO DNVRCOII0MD  5562 METROPCS, INC. 656      
970-632 A Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-632 0 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-06-11   
970-632 1 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-06-30   
970-632 2 Fort Collins CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-15   
970-632 3 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2016-07-17   
970-632 4 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-25   
970-632 5 Fort Collins CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-07-13   
970-632 6 Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-06-08   
970-632 7 Fort Collins CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-06-08   
970-632 8 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2016-07-17   
970-632 9 Fort Collins CO DNVRCO26XIX  073H TELNYX LLC 656   2017-03-23   
970-633 A Ouray CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-633 0 Ouray CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
970-633 1 Ouray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-17   
970-633 2 Ouray CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-05-23   
970-633 3 Ouray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-08-05   
970-633 4 Ouray CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-633 5 Ouray CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2018-06-08   
970-633 6 Ouray CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-21   
970-633 7 Ouray CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656   2014-04-27   
970-633 8 Ouray CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-633 9 Ouray CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-634 A Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-634 0 Johnstown-Milliken CO DNVRCO26XLX  939H COMMIO, LLC 656   2021-10-28   
970-634 1 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-634 2 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-634 3 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-08-31   
970-634 4 Johnstown-Milliken CO DNVRCO26XLX  939H COMMIO, LLC 656   2021-10-28   
970-634 5 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-30   
970-634 6 Johnstown-Milliken CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-09-09   
970-634 7 Johnstown-Milliken CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-10-14   
970-634 8 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-03-17   
970-634 9 Johnstown-Milliken CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-07-26   
970-635 A Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-636 A Yampa CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-636 0 Yampa CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-11-08   
970-636 1 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-08-05   
970-636 2 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-25   
970-636 3 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-25   
970-636 4 Yampa CO DNVTCOZICMD  515J IP HORIZON LLC 656   2024-08-08   
970-636 5 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-636 6 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-30   
970-636 7 Yampa CO   624H ONVOY SPECTRUM, LLC 656   2025-02-03   
970-636 8 Yampa CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-636 9 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-637 A Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-637 0 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-10-10   
970-637 1 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-11-27   
970-637 3 Durango CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-06-10   
970-637 4 Durango CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-08-10   
970-637 5 Durango CO   6529 T-MOBILE USA, INC. 656   2025-07-27   
970-637 6 Durango CO   6529 T-MOBILE USA, INC. 656   2025-09-18   
970-637 7 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-10-11   
970-637 8 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-10-11   
970-637 9 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2024-07-26   
970-638 A Yampa CO YAMPCOMARS1  9636 QWEST CORPORATION 656      

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

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