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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-828 A Biloxi MS BILXMSEDXOY  624H ONVOY SPECTRUM, LLC 484      
228-828 0 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-07-02   
228-828 1 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-07-02   
228-828 2 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2022-08-13   
228-828 3 Biloxi MS   719E ONVOY, LLC - MS 484   2022-12-18   
228-828 4 Biloxi MS   719E ONVOY, LLC - MS 484   2022-12-18   
228-828 5 Biloxi MS   719E ONVOY, LLC - MS 484   2023-03-17   
228-828 6 Biloxi MS   719E ONVOY, LLC - MS 484   2023-03-17   
228-828 7 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-03-19   
228-828 8 Biloxi MS   624H ONVOY SPECTRUM, LLC 484   2023-03-19   
228-828 9 Biloxi MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-07-02   

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

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