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: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-249 A Chiloquin OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
458-249 0 Chiloquin OR   073H TELNYX LLC 670   2020-08-22   
458-249 9 Chiloquin OR   6010 NEW CINGULAR WIRELESS PCS, LLC 670   2020-06-27   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.