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: 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   2019-01-31   
228-256 1 Gulfport MS BILXMSAT1MD  073H TELNYX LLC 484   2017-02-11   
228-256 2 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2019-09-22   
228-256 3 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2019-09-22   
228-256 4 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2019-10-12   
228-256 5 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2019-10-12   
228-256 6 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2021-11-30   
228-256 7 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2021-11-30   
228-256 8 Gulfport MS BILXMSEDXJX  719E ONVOY, LLC - MS 484   2019-01-31   
228-256 9 Gulfport MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2018-04-12   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.