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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-227 A Biloxi MS BILXMSMR5MD  732J NUSO, LLC 484      
228-227 0 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-227 1 Biloxi MS   732J NUSO, LLC 484   2023-05-06   
228-227 2 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-227 3 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-227 4 Biloxi MS   719E ONVOY, LLC - MS 484   2023-09-08   
228-227 5 Biloxi MS   719E ONVOY, LLC - MS 484   2023-09-08   
228-227 6 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-08-26   
228-227 7 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-08-26   
228-227 8 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-227 9 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-08-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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