Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-279 A Gulfport MS BILXMSATIMD  490J DISH WIRELESS, LLC 484      
228-279 0 Gulfport MS BILXMSEDX9Y  073H TELNYX LLC 484   2023-07-03   
228-279 1 Gulfport MS BILXMSEDX9Y  073H TELNYX LLC 484   2023-07-03   
228-279 9 Gulfport MS BILXMSATIMD  490J DISH WIRELESS, LLC 484   2022-03-04   

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

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