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: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-788 A Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 0 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 1 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 2 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 3 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 5 Allison CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
970-788 6 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 7 Allison CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-788 8 Allison CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.