Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-401 8 Vail CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-401 9 Vail CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-402 A Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-403 A Durango CO DURNCOMAG00  588A ZIPPYTECH INCORPORATED 656      
970-403 0 Durango CO DURNCOMAG00  588A ZIPPYTECH INCORPORATED 656   2005-12-11   
970-403 1 Durango CO DURNCOMAG00  588A ZIPPYTECH INCORPORATED 656   2007-11-04   
970-403 2 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
970-403 3 Durango CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2008-11-03   
970-403 4 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-10-28   
970-403 5 Durango CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-403 6 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-09-15   
970-403 7 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2009-11-28   
970-403 8 Durango CO DURNCOMAG00  588A ZIPPYTECH INCORPORATED 656   2009-12-01   
970-403 9 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-09-07   
970-404 A Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-404 0 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-404 1 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-404 2 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-404 3 Glenwood Springs CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-01-25   
970-404 4 Glenwood Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-06-22   
970-404 5 Glenwood Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-04-15   
970-404 6 Glenwood Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-11-14   
970-404 7 Glenwood Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-404 8 Glenwood Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-04   
970-404 9 Glenwood Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-05-04   
970-405 A Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-406 A Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-406 0 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-406 1 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-406 2 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-406 3 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-406 4 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-406 5 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-406 6 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-406 7 Dillon CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-406 8 Dillon CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-406 9 Dillon CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2012-12-13   
970-407 A Fort Collins CO FTCLCOMADS0  9636 QWEST CORPORATION 656      
970-408 A Johnstown-Milliken CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
970-408 0 Johnstown-Milliken CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-11-08   
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   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.