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
970-578 6 Johnstown-Milliken CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-578 7 Johnstown-Milliken CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-578 8 Johnstown-Milliken CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-03   
970-578 9 Johnstown-Milliken CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-08-18   
970-579 A De Beque CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-579 0 De Beque CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-579 1 De Beque CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-05-23   
970-579 2 De Beque CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-579 3 De Beque CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-04   
970-579 4 De Beque CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-08-05   
970-579 5 De Beque CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-22   
970-579 6 De Beque CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-579 7 De Beque CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-06-11   
970-579 8 De Beque CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-579 9 De Beque CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-580 A Sterling CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-581 A Fort Collins CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-582 A Pagosa Springs CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-582 0 Pagosa Springs CO DNVRCOII4MD  5562 METROPCS, INC. 656      
970-582 1 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-07-24   
970-582 2 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-07-21   
970-582 3 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2022-10-17   
970-582 4 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-14   
970-582 5 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-14   
970-582 6 Pagosa Springs CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-03-15   
970-582 7 Pagosa Springs CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-08-11   
970-582 8 Pagosa Springs CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-583 A South Baggs CO BGGSWYXCRS0  2291 DUBOIS TEL. EXCH., INC. 654      
970-584 A Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-584 0 Greeley CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-12-09   
970-584 1 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-04-06   
970-584 2 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-04-06   
970-584 3 Greeley CO   145J TERRA NOVA TELECOM INC. 656   2025-02-14   
970-584 4 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2007-10-15   
970-584 5 Greeley CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2010-05-18   
970-584 6 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-03-12   
970-584 7 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-03-12   
970-584 8 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2008-05-18   
970-584 9 Greeley CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-05-22   
970-585 A Pagosa Springs CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-585 0 Pagosa Springs CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-585 1 Pagosa Springs CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-585 2 Pagosa Springs CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-585 3 Pagosa Springs CO DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-585 4 Pagosa Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-08-02   
970-585 5 Pagosa Springs CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-01   
970-585 6 Pagosa Springs CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-09-12   
970-585 7 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-585 8 Pagosa Springs CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-585 9 Pagosa Springs CO GDJTCOMAKMD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2017-07-06   
970-586 A Estes Park CO ESPKCOMADS1  9636 QWEST CORPORATION 656      
970-587 A Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 0 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 1 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 2 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 3 Johnstown-Milliken CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-587 4 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 5 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 6 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 7 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 8 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-587 9 Johnstown-Milliken CO JHMLCOMADS0  9636 QWEST CORPORATION 656      
970-588 A Marvel CO MARVCOXCDS0  2208 CENTURYTEL OF COLORADO, INC. DBA CENTURYLINK 656      
970-589 A Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-589 0 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-03-18   
970-589 1 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-03-18   
970-589 2 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2007-05-02   
970-589 3 Grand Junction CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2007-05-02   
970-589 4 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-06-08   
970-589 5 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-06-22   
970-589 6 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-07-06   
970-589 7 Grand Junction CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-01   
970-589 8 Grand Junction CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2007-09-15   
970-589 9 Grand Junction CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-09-25   
970-590 A Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-591 A Estes Park CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-591 0 Estes Park CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-06-01   
970-591 1 Estes Park CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-06-01   
970-591 2 Estes Park CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
970-591 3 Estes Park CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
970-591 4 Estes Park CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-21   
970-591 5 Estes Park CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-21   
970-591 6 Estes Park CO DNVRCO26DMD  197D VONAGE AMERICA LLC 656   2019-11-01   
970-591 7 Estes Park CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-591 8 Estes Park CO DNVRCO26XIX  073H TELNYX LLC 656   2017-06-09   
970-591 9 Estes Park CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-592 A Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-592 0 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 1 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 2 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 3 Wray CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-10-26   
970-592 4 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-592 5 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-592 6 Wray CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-592 7 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-08-31   
970-592 8 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2011-04-04   
970-592 9 Wray CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-13   
970-593 A Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-593 0 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-593 1 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      

<< 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: Execulink Telecom

Like this site? We accept donations via PayPal.