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
970-764 9 Durango CO DURNCOMADS0  9636 QWEST CORPORATION 656   2005-09-19   
970-765 A Montrose CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-765 0 Montrose CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-23   
970-765 1 Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-10-12   
970-765 2 Montrose CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2009-09-14   
970-765 3 Montrose CO MTRSCOMADS0  9636 QWEST CORPORATION 656   2010-11-04   
970-765 4 Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-07   
970-765 5 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-28   
970-765 6 Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-06-14   
970-765 7 Montrose CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
970-765 8 Montrose CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-765 9 Montrose CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-02-17   
970-766 A Edwards CO GYPSCO03DS0  4164 SAN ISABEL TELECOM, INC. - CO 656      
970-767 A Fort Collins CO STSPCO052MD  013B UNION TELEPHONE COMPANY 656      
970-768 A Fort Morgan CO DNVRCOMA47Z  6874 N.E. COLORADO CELLULAR, INC. 656      
970-769 A Durango CO DURNCOMA6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-770 A Montrose CO STSPCO052MD  013B UNION TELEPHONE COMPANY 656      
970-771 A Breckenridge CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
970-771 0 Breckenridge CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-771 1 Breckenridge CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-06-27   
970-771 2 Breckenridge CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-06-26   
970-771 3 Breckenridge CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-10   
970-771 4 Breckenridge CO DNVRCOMA31Z  710A ALLO COMMUNICATIONS, LLC - NE 656   2019-06-24   
970-771 5 Breckenridge CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2019-08-28   
970-771 6 Breckenridge CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-01-15   
970-771 7 Breckenridge CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-18   
970-771 8 Breckenridge CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-18   
970-771 9 Breckenridge CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-12-03   
970-772 A Gilcrest CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-772 0 Gilcrest CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-28   
970-772 1 Gilcrest CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-28   
970-772 2 Gilcrest CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-772 3 Gilcrest CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-772 4 Gilcrest CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2025-01-03   
970-772 5 Gilcrest CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2023-04-27   
970-772 6 Gilcrest CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-09-18   
970-772 7 Gilcrest CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656   2024-08-08   
970-772 8 Gilcrest CO DNVTCOZICMD  515J IP HORIZON LLC 656   2024-07-12   
970-772 9 Gilcrest CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-773 A Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-773 0 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-03-27   
970-773 1 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-11-09   
970-773 2 Grand Junction CO GDJTCOMADS0  9636 QWEST CORPORATION 656   2010-01-19   
970-773 3 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-02-08   
970-773 4 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-03-08   
970-773 5 Grand Junction CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-09-04   
970-773 6 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-10-08   
970-773 7 Grand Junction CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-10-24   
970-773 8 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-01-03   
970-773 9 Grand Junction CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-10-24   
970-774 A Haxtun CO HAXTCOXCDS0  2190 HAXTUN TEL. CO. 656      
970-775 A Loveland CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-775 0 Loveland CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-07-12   
970-775 1 Loveland CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-12-17   
970-775 2 Loveland CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-01   
970-775 3 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-18   
970-775 4 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-18   
970-775 5 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-775 6 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-775 7 Loveland CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2012-04-02   
970-775 8 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-08-18   
970-775 9 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-776 A Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-776 0 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-08   
970-776 1 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-11-15   
970-776 2 Loveland CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-776 3 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-11-15   
970-776 4 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-11-15   
970-776 5 Loveland CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2006-06-09   
970-776 6 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-08-20   
970-776 7 Loveland CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2006-11-26   
970-776 8 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-11-05   
970-776 9 Loveland CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-02-09   
970-777 A Gypsum CO GYPSCO03DS0  4164 SAN ISABEL TELECOM, INC. - CO 656      
970-778 A Grand Junction CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-778 0 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-09-23   
970-778 1 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-01-07   
970-778 2 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-01-07   
970-778 3 Grand Junction CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-02-02   
970-778 4 Grand Junction CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-778 5 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-03-11   
970-778 6 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2005-05-01   
970-778 7 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2005-02-10   
970-778 8 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2005-02-10   
970-778 9 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2005-02-10   
970-779 A Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-779 0 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-779 1 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2006-03-09   
970-779 2 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2015-04-13   
970-779 3 Durango CO DURNCOMA6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-11-30   
970-779 4 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2011-09-23   
970-779 5 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2015-03-30   
970-779 6 Durango CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-779 7 Durango CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2011-01-30   
970-779 8 Durango CO DURNCOMA6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-05-12   
970-779 9 Durango CO DURNCOMA6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-05-12   
970-780 A South Laramie CO CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654      
970-780 2 South Laramie CO CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2021-12-13   
970-780 4 South Laramie CO CSPRWYDN0MD  026D ONVOY, LLC - CO 654   2022-02-05   
970-780 5 South Laramie CO CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-08-23   

<< 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: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.