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, 26 Jul 2014 03:21:21 UTC

How to use this page

NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
228-242 A Bay St Louis MS GLPTMS55RS0 5278 TELEPAK NETWORKS, INC. - MS [link] 484 map



Sponsored by: VoiceMeUp - Corporate VoIP Services