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: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-292 A Vancleave MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-05-03   
228-292 0 Vancleave MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-05-03   
228-292 1 Vancleave MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-07-12   

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

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