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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-314 A Gulfport MS GLPTMS05DS0  4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-314 0 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2011-03-15   
228-314 1 Gulfport MS GLPTMS05DS0  4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-314 2 Gulfport MS GLPTMS05DS0  4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-314 3 Gulfport MS GLPTMSATX7X  516C AT&T CORP. 484   2015-06-01   
228-314 4 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2011-03-15   
228-314 9 Gulfport MS GLPTMS05DS0  4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.