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: Fri, 17 May 2013 01:26:12 UTC

How to use this page

NPA: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 345

NPA-NXX-X Rate Centre Region Switch OCN LATA Eff date Disc date Map
360-345 Chehalis WA CENLWA04DS0 5781 LOCAL ACCESS PRIME, LLC - WA [link] 674 map
360-345-1 Chehalis WA 5781 LOCAL ACCESS PRIME, LLC - WA [link] 674
360-345-6 Chehalis WA 5781 LOCAL ACCESS PRIME, LLC - WA [link] 674


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