Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-687 A Gulfport MS GLPTMS55DS6  606E CALLIS COMMUNICATIONS, INC. - MS 484      
228-687 1 Gulfport MS SMMSAL13DS0  606E CALLIS COMMUNICATIONS, INC. - MS 484   2007-08-26   
228-687 3 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2021-01-09   
228-687 4 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2021-01-09   
228-687 8 Gulfport MS BILXMSATDS0  459H AIRUS, INC. - MS 484   2017-09-02   
228-687 9 Gulfport MS BILXMSATDS0  459H AIRUS, INC. - MS 484   2020-04-18   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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