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
970-606 5 Sterling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-17   
970-606 6 Sterling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-17   
970-606 7 Sterling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-17   
970-606 8 Sterling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-17   
970-606 9 Sterling CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-17   
970-607 A Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656      
970-607 0 Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656   2023-10-16   
970-607 1 Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656   2023-10-16   
970-607 2 Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656   2023-10-16   
970-607 3 Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656   2023-10-16   
970-607 4 Ouray CO DNVRCO26XLX  939H COMMIO, LLC 656   2023-10-16   
970-607 8 Ouray CO DNVTCOZICMD  515J IP HORIZON LLC 656   2024-07-12   
970-608 A Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-608 0 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 1 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 2 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 3 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 4 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 5 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 6 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 7 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 8 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-608 9 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-10-15   
970-609 A Grand Junction CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-610 A Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-610 0 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-610 1 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-610 2 Fruita CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-04-30   
970-610 3 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-11-14   
970-610 4 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-11-14   
970-610 5 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-11-14   
970-610 6 Fruita CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-610 7 Fruita CO DNVRCO26XJX  939H COMMIO, LLC 656   2022-07-29   
970-610 8 Fruita CO DNVTCOZI6MD  073H TELNYX LLC 656   2021-11-28   
970-610 9 Fruita CO   515J IP HORIZON LLC 656   2022-04-29   
970-612 A Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 0 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 1 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 2 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 3 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 4 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 5 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 6 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2018-04-05   
970-612 7 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-612 8 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-26   
970-612 9 Loveland CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
970-613 A Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 0 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 1 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 2 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 3 Loveland CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2015-06-02   
970-613 4 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 5 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 6 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 7 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 8 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-613 9 Loveland CO LVLDCOMADS0  9636 QWEST CORPORATION 656      
970-614 A La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-614 0 La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-614 1 La Salle CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-614 2 La Salle CO   145J TERRA NOVA TELECOM INC. 656   2022-06-30   
970-614 3 La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-614 4 La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-12   
970-614 5 La Salle CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-614 6 La Salle CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2025-04-07   
970-614 7 La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-04-09   
970-614 8 La Salle CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-23   
970-614 9 La Salle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 A Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-615 0 Montrose CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-11-18   
970-615 1 Montrose CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 2 Montrose CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 3 Montrose CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 4 Montrose CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 5 Montrose CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-13   
970-615 6 Montrose CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2012-12-13   
970-615 7 Montrose CO GDJTCOFD5MD  792K CHARTER IP ENABLED SERVICES, LLC 656   2014-04-13   
970-615 8 Montrose CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-06-15   
970-615 9 Montrose CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-616 A Greeley CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-616 0 Greeley CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-11-14   
970-616 1 Greeley CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-11-23   
970-616 2 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-04-04   
970-616 3 Greeley CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-11-17   
970-616 4 Greeley CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-05-21   
970-616 5 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-616 6 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-08-01   
970-616 7 Greeley CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-09-11   
970-616 8 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-616 9 Greeley CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-08-30   
970-617 A Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-617 0 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-01-22   
970-617 1 Loveland CO DNVRCO26XIX  073H TELNYX LLC 656   2017-03-23   
970-617 2 Loveland CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2017-01-30   
970-617 3 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-05-06   
970-617 4 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-05-06   
970-617 5 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2018-04-05   
970-617 6 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-10-28   
970-617 7 Loveland CO DNVRCOII4MD  5562 METROPCS, INC. 656   2017-03-22   
970-617 8 Loveland CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-10-28   

<< 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: LES.NET

Like this site? We accept donations via PayPal.