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
970-876 6 Silt CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-11-20   
970-876 7 Silt CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-29   
970-876 8 Silt CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-876 9 Silt CO SILTCOMARS1  9636 QWEST CORPORATION 656      
970-877 A Lake City CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-877 0 Lake City CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-09-29   
970-877 2 Lake City CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-08-22   
970-877 4 Lake City CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-877 7 Lake City CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2022-04-27   
970-877 8 Lake City CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-04-28   
970-878 A Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 0 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 1 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 2 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 3 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 4 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 5 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-878 6 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656   2006-08-04   
970-878 7 Meeker CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-03-18   
970-878 8 Meeker CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-01-15   
970-878 9 Meeker CO MEKRCOMARS1  9636 QWEST CORPORATION 656      
970-879 A Steamboat Springs CO STSPCOMADS1  9636 QWEST CORPORATION 656      
970-880 A Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-880 0 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-07-17   
970-880 1 Durango CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-08-17   
970-880 2 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-03-26   
970-880 3 Durango CO DNVRCOII4MD  5562 METROPCS, INC. 656   2016-07-01   
970-880 4 Durango CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2018-06-13   
970-880 5 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2020-11-10   
970-880 6 Durango CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-08-11   
970-880 7 Durango CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-30   
970-880 8 Durango CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-08-11   
970-880 9 Durango CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-22   
970-881 A Red Feather Lakes CO RFLKCOXCDS0  2185 CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK 656      
970-882 A Dolores CO DLRSCOXCDS0  2185 CENTURYTEL OF EAGLE, INC. DBA CENTURYLINK 656      
970-883 A Allison CO ALSNCOXCRS1  2208 CENTURYTEL OF COLORADO, INC. DBA CENTURYLINK 656      
970-884 A Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 0 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 1 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 2 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 3 Bayfield CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-884 4 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 5 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 6 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 7 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 8 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-884 9 Bayfield CO BYFDCOMARS1  9636 QWEST CORPORATION 656      
970-885 A South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 0 South Big Springs CO GDISNENW6MD  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 646      
970-885 1 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 2 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 3 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 4 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 5 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 6 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 7 South Big Springs CO GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2016-09-17   
970-885 8 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-885 9 South Big Springs CO BGSPNENWRS1  9631 QWEST CORPORATION 646      
970-886 A Crook CO CROKCOXCRS0  2190 HAXTUN TEL. CO. 656      
970-887 A Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 0 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 1 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 2 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 3 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 4 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 5 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 6 Granby CO   145J TERRA NOVA TELECOM INC. 656   2023-06-23   
970-887 7 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 8 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-887 9 Granby CO GRNBCOMADS0  9636 QWEST CORPORATION 656      
970-888 A Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-888 0 Greeley CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-01-28   
970-888 1 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-01-09   
970-888 2 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-07   
970-888 3 Greeley CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-10-29   
970-888 4 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-06-05   
970-888 5 Greeley CO DNVRCOMAGT7  588A ZIPPYTECH INCORPORATED 656   2013-01-08   
970-888 6 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-01-06   
970-888 7 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-01-06   
970-888 8 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-01-06   
970-888 9 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-01-06   
970-889 A Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-889 0 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-01-06   
970-889 1 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
970-889 2 Fort Collins CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-08-11   
970-889 3 Fort Collins CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-08-15   
970-889 4 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-03-26   
970-889 5 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-03-26   
970-889 6 Fort Collins CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-12-03   
970-889 7 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2013-12-02   
970-889 8 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2013-12-02   
970-889 9 Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2013-12-02   
970-890 A Oak Creek CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-890 0 Oak Creek CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-890 1 Oak Creek CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2016-04-22   
970-890 2 Oak Creek CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2025-01-03   
970-890 3 Oak Creek CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-890 6 Oak Creek CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2016-05-28   
970-890 7 Oak Creek CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-23   
970-890 8 Oak Creek CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-23   

<< 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: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.