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.

Craig, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-321 A RNGLCOACAMD  1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 656   2024-01-17   
970-326 A STSPCO052MD  013B UNION TELEPHONE COMPANY 656      
970-329 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-329 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-329 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-329 3 DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-329 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-329 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-329 6 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-329 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-329 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-329 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-620 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 0 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 2 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 3 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 4   792K CHARTER IP ENABLED SERVICES, LLC 656      
970-620 5 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 6 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 7 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-620 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-620 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-629 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 0 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 2 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 3 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 4 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-629 5 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 6 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-629 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
970-629 8 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-629 9 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-701 A DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-701 0 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-701 1   6529 T-MOBILE USA, INC. 656      
970-701 2 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-701 3   145J TERRA NOVA TELECOM INC. 656      
970-701 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-701 5 DNVRCO26XIX  073H TELNYX LLC 656      
970-701 6 FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
970-701 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-701 8 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-701 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-756 A STSPCO052MD  013B UNION TELEPHONE COMPANY 656      
970-824 A CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 A CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 0 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 1 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 2 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 3 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 4 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 5 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 6 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-826 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-826 8 DURNCOBSDS0  330B FASTTRACK COMMUNICATIONS, INC. - CO 656      
970-826 9 CRAGCOMADS0  9636 QWEST CORPORATION 656      
970-841 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-841 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-841 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-841 2   6529 T-MOBILE USA, INC. 656      
970-841 5 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-841 6 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-841 7 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-841 8   515J IP HORIZON LLC 656      
970-841 9 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.