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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-277 A Gulfport MS BILXMSEDXCY  597F VOIP INNOVATIONS, LLC 484      
228-277 0 Gulfport MS BILXMSEDXOY  624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-277 1 Gulfport MS BILXMSEDXCY  597F VOIP INNOVATIONS, LLC 484   2019-08-18   
228-277 7 Gulfport MS BILXMSAT7MD  965H FRACTEL, LLC 484   2019-11-21   
228-277 8 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-07-06   
228-277 9 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-07-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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