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: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-338 A Biloxi MS BILXMSAT8MD  321J HD CARRIER LLC 484      
228-338 0 Biloxi MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2021-07-09   
228-338 1 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 2 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 3 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 4 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 5 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 6 Biloxi MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2020-09-13   
228-338 7 Biloxi MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2021-07-09   
228-338 8 Biloxi MS BILXMSAT8MD  321J HD CARRIER LLC 484   2020-07-19   
228-338 9 Biloxi MS BILXMSAT8MD  321J HD CARRIER LLC 484   2020-07-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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