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: 798

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-798 A Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-798 0 Grand Lake CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-01-01   
970-798 1 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-798 2 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-12   
970-798 3 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-06-28   
970-798 4 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-05   
970-798 5 Grand Lake CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
970-798 6 Grand Lake CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-798 7 Grand Lake CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-03-18   
970-798 8 Grand Lake CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-798 9 Grand Lake CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.