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.

Crested Butte, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-251 A CRBTCOMARS1  9636 QWEST CORPORATION 656      
970-251 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-251 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-251 3 CRBTCOMARS1  9636 QWEST CORPORATION 656      
970-251 4 FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
970-251 5   793K TWC IP ENABLED SERVICES, LLC 656      
970-251 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-251 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-251 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-349 A CRBTCOMARS1  9636 QWEST CORPORATION 656      
970-713 A DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-713 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-713 1 DNVRCO26XIX  073H TELNYX LLC 656      
970-713 2 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-713 3 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-713 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-713 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-713 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
970-713 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-713 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-727 A DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-727 0   515J IP HORIZON LLC 656      
970-727 2 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-727 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-727 7 DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656      
970-727 8 DNVRCO26XLX  939H COMMIO, LLC 656      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.