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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-256 A Gulfport MS BILXMSAT1MD  073H TELNYX LLC 484      
228-256 0 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 1 Gulfport MS BILXMSAT1MD  073H TELNYX LLC 484      
228-256 2 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      
228-256 3 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      
228-256 4 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 5 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 6 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 7 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 8 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484      
228-256 9 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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