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: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-592 A Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-592 0 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 1 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 2 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-592 3 Wray CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-10-26   
970-592 4 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-592 5 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-31   
970-592 6 Wray CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-05   
970-592 7 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-08-31   
970-592 8 Wray CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2011-04-04   
970-592 9 Wray CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-13   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.