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.
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Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

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

NXX: 242

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


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