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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-670 A Berthoud CO DNVRCOETDS1  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-670 0 Berthoud CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-670 1 Berthoud CO   026D ONVOY, LLC CO 656   2012-12-13   
970-670 2 Berthoud CO   026D ONVOY, LLC CO 656   2012-12-13   
970-670 3 Berthoud CO   026D ONVOY, LLC CO 656   2012-12-13   
970-670 4 Berthoud CO   4788 MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO 656   2009-07-12   
970-670 5 Berthoud CO   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-05-21   
970-670 6 Berthoud CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2009-04-17   
970-670 7 Berthoud CO   026D ONVOY, LLC CO 656   2013-04-14   
970-670 8 Berthoud CO   026D ONVOY, LLC CO 656   2012-12-13   
970-670 9 Berthoud CO   026D ONVOY, LLC CO 656   2012-12-13   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.