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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-900 A Athena OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      
458-900 0 Athena OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672   2018-12-16   
458-900 4 Athena OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-09-21   
458-900 9 Athena OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2021-06-14   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.