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.

Basalt, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-273 A GYPSCO03DS0  4164 SAN ISABEL TELECOM, INC. - CO 656      
970-279 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-279 0 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-279 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-279 2 ASPECOMAGT0  588A ZIPPYTECH INCORPORATED 656      
970-279 3 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-279 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-279 5 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
970-279 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-279 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-603 A DNVRCO26XLX  939H COMMIO, LLC 656      
970-603 0 DNVRCO26XLX  939H COMMIO, LLC 656      
970-603 1 DNVRCO26XLX  939H COMMIO, LLC 656      
970-603 2 DNVRCO26XLX  939H COMMIO, LLC 656      
970-603 3 DNVRCO26XLX  939H COMMIO, LLC 656      
970-603 4 DNVRCO26XLX  939H COMMIO, LLC 656      
970-678 A DNVRCO03DS1  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656      
970-678 0 DNVRCO26XIX  073H TELNYX LLC 656      
970-678 1 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
970-678 2 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
970-678 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-678 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-678 5 DNVRCO03DS1  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656      
970-678 6 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
970-678 8   515J IP HORIZON LLC 656      
970-678 9 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-718 A DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-718 0 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-718 1 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-718 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-718 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-718 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-718 5 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-718 6 DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-718 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
970-718 8 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
970-718 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-927 A BSLTCOMADS0  9636 QWEST CORPORATION 656      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.