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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-440 A Rifle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-440 0 Rifle CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-07-16   
970-440 1 Rifle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-02-25   
970-440 2 Rifle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-12   
970-440 3 Rifle CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-11-01   
970-440 4 Rifle CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2008-12-15   
970-440 5 Rifle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-04   
970-440 6 Rifle CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-04-02   
970-440 7 Rifle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-12-03   
970-440 8 Rifle CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-440 9 Rifle CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.