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: 596

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-596 A Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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