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.

Switch: CHICCACWIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-689 A Corning CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724      
530-805 A Orland CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724      
530-805 1 Orland CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724   2016-04-07   
530-815 A Chico CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724      
530-815 0 Chico CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724   2014-12-04   
530-816 3 Chester CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724   2010-04-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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