Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Sat, 20 Sep 2014 21:25:14 UTC

How to use this page

NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

Region: CO

OCN: 2208 CENTURYTEL OF COLORADO, INC. DBA CENTURYLINK [Rate centres for OCN 2208]

NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
970-264 A Pagosa Springs CO PGSPCOXCDS0 656 map
970-588 A Marvel CO MARVCOXCDS0 656 map
970-731 A Pagosa Springs West CO PGSPCOXWDS0 656 map
970-883 A Allison CO ALSNCOXCRS1 656 map



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