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: CHICCACW8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-234 5 Ravendale CA 965H FRACTEL, LLC 724   2020-04-26   
530-336 8 Fall River Mills CA 965H FRACTEL, LLC 724   2020-11-27   
530-800 8 Chico CA 965H FRACTEL, LLC 724   2020-06-22   
530-855 A Chico CA 965H FRACTEL, LLC 724      
530-855 5 Chico CA 965H FRACTEL, LLC 724   2020-01-28   
530-944 A Willow Creek CA 965H FRACTEL, LLC 724      
530-944 4 Willow Creek CA 965H FRACTEL, LLC 724   2021-05-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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