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, 05 Apr 2014 10:55:46 UTC

How to use this page

NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

Region: LA

OCN: 1727 CENTURYTEL OF SOUTH ARKANSAS, INC. DBA CENTURYLINK [Rate centres for OCN 1727]

NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
318-571 A South Dodge City LA DDCYARXARSL 530 map
318-986 A South Junction City LA JNCYARXADSL 530 map



Sponsored by: Execulink Telecom