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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-278 A Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484      
228-278 0 Ocean Springs MS BILXMSEDXOY  624H ONVOY SPECTRUM, LLC 484   2023-04-24   
228-278 1 Ocean Springs MS BILXMSEDXOY  624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-278 2 Ocean Springs MS BILXMSEDXOY  624H ONVOY SPECTRUM, LLC 484   2023-08-10   
228-278 3 Ocean Springs MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2023-09-08   
228-278 4 Ocean Springs MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2023-05-06   
228-278 5 Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-03-20   
228-278 6 Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-03-20   
228-278 7 Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2023-03-20   
228-278 8 Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2022-02-05   
228-278 9 Ocean Springs MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2022-02-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.