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.

Corning, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-900 7 RDNGCA025MD  9262 UTILITY TELECOM GROUP, LLC - CA 724   2017-01-07   
530-900 8 CHICCA01XDX  073H TELNYX LLC 724   2017-03-24   
530-900 9 CHICCA01XCX  649C ONVOY, LLC - CA 724   2012-11-15   

<< 1 2

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.