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 Dec 2014 03:46:54 UTC

How to use this page

NPA: 719 [Rate centres in NPA 719] [Dial plan for NPA 719]

Region: CO

OCN: 2204 COLUMBINE ACQUISITION CORP DBA COLUMBINE TELCO LTD [Rate centres for OCN 2204]

NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
719-256 A Crestone CO MOSCCOXCDS0 658 map
719-378 A Mosca CO MOSCCOXCDS0 658 map



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