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: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-460 A Windsor CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
970-460 0 Windsor CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2006-04-02   
970-460 1 Windsor CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-04-03   
970-460 2 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-12   
970-460 3 Windsor CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-12-09   
970-460 4 Windsor CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
970-460 5 Windsor CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-06-03   
970-460 6 Windsor CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-460 7 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-29   
970-460 8 Windsor CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
970-460 9 Windsor CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2011-07-28   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.