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: 795

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-795 A Windsor CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-795 0 Windsor CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2006-03-23   
970-795 1 Windsor CO   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-12   
970-795 2 Windsor CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-08-15   
970-795 3 Windsor CO   026D ONVOY, LLC - CO 656   2012-12-14   
970-795 4 Windsor CO   318J COMCAST IP PHONE, LLC 656   2021-10-01   
970-795 5 Windsor CO   026D ONVOY, LLC - CO 656   2008-10-16   
970-795 6 Windsor CO   026D ONVOY, LLC - CO 656   2008-10-16   
970-795 8 Windsor CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-08-18   
970-795 9 Windsor CO   026D ONVOY, LLC - CO 656   2012-12-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.