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]

NXX: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-713 A Crested Butte CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-713 0 Crested Butte CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-06-27   
970-713 1 Crested Butte CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-713 2 Crested Butte CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-06-01   
970-713 3 Crested Butte CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-06-01   
970-713 4 Crested Butte CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-30   
970-713 5 Crested Butte CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-713 6 Crested Butte CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-07   
970-713 7 Crested Butte CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-713 8 Crested Butte CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-713 9 Crested Butte CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.