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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-287 A Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      
228-287 2 Biloxi MS   732J NUSO, LLC 484   2025-07-16   
228-287 3 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   
228-287 4 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   
228-287 5 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   
228-287 6 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   
228-287 7 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   
228-287 8 Biloxi MS   719E ONVOY, LLC - MS 484   2026-06-13   
228-287 9 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2025-09-25   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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