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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-271 A Biloxi MS BILXMSEDX1X  458C TELEPORT COMMUNICATIONS AMERICA MS - LLC 484      
228-271 0 Biloxi MS   5562 METROPCS, INC. 484   2012-03-18   
228-271 1 Biloxi MS   5562 METROPCS, INC. 484   2012-03-18   
228-271 2 Biloxi MS GLPTMS55XGX  5562 METROPCS, INC. 484   2015-09-20   
228-271 3 Biloxi MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484   2012-07-27   
228-271 4 Biloxi MS BILXMSEDX1X  458C TELEPORT COMMUNICATIONS AMERICA MS - LLC 484   2016-11-04   
228-271 5 Biloxi MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2021-07-09   
228-271 6 Biloxi MS BILXMSEDX1X  458C TELEPORT COMMUNICATIONS AMERICA MS - LLC 484   2008-07-07   
228-271 7 Biloxi MS GLPTMS55XGX  5562 METROPCS, INC. 484   2017-03-21   
228-271 8 Biloxi MS GLPTMSATX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 484   2021-07-09   
228-271 9 Biloxi MS BILXMSAT1MD  073H TELNYX LLC 484   2017-03-17   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.