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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-999 6 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2019-11-10   
228-999 7 Biloxi MS   965H FRACTEL, LLC 484   2019-09-11   
228-999 8 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2019-11-10   
228-999 9 Biloxi MS   145J TERRA NOVA TELECOM INC. 484   2019-03-18   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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