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, 18 Oct 2014 02:39:13 UTC

How to use this page

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

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
228-344 A Bay St Louis MS GLPTMSATX4X 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484 map
228-344 0 Bay St Louis MS 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484
228-344 3 Bay St Louis MS 516C SBC INTERNET SERVICES, INC. [link] 484 2010-08-12
228-344 4 Bay St Louis MS 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484
228-344 5 Bay St Louis MS 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484
228-344 8 Bay St Louis MS 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484
228-344 9 Bay St Louis MS 6214 NEW CINGULAR WIRELESS PCS, LLC - GA [link] 484



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