Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • 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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OCN: 606E CALLIS COMMUNICATIONS, INC. - MS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
228-295 7 Biloxi MS   484   2008-05-18   
228-471 1 Pascagoula MS   484   2008-05-18   
228-471 2 Pascagoula MS   484   2011-05-03   
228-687 A Gulfport MS GLPTMS55DS6  484      
228-687 1 Gulfport MS   484   2007-08-26   
601-909 A Hattiesburg MS HTBGMSMADS1  482      
601-909 1 Hattiesburg MS   482   2010-03-19   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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