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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-307 A Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
458-307 0 Corvallis OR EUGNOR53XXX  073H TELNYX LLC 670   2023-10-22   
458-307 1 Corvallis OR   750E ONVOY, LLC - OR 670   2024-02-26   
458-307 2 Corvallis OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2023-10-21   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.