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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-500 A Weldona CO FTMRCOMA2MD  312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO 656      
970-500 0 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-08-05   
970-500 1 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-500 2 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-14   
970-500 3 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-14   
970-500 4 Weldona CO FTMRCOMA2MD  312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO 656   2014-09-23   
970-500 5 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-10-07   
970-500 6 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-30   
970-500 7 Weldona CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-500 8 Weldona CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-500 9 Weldona CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.