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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-261 A Gulfport MS GLPTMS55XUX  5562 METROPCS, INC. 484      
228-261 0 Gulfport MS GLPTMS55XUX  5562 METROPCS, INC. 484      
228-261 1 Gulfport MS GLPTMS55XUX  5562 METROPCS, INC. 484      
228-261 2 Gulfport MS GLPTMS55XUX  5562 METROPCS, INC. 484      
228-261 3 Gulfport MS GLPTMS55XUX  5562 METROPCS, INC. 484      
228-261 9 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2024-05-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.