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.
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Switch: CHICCA01X5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-256 7 Westwood CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-281 7 Keddie CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-294 7 Bieber CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-500 7 Dunsmuir CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-596 7 Lake Almanor CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-825 7 Eagle Lake CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-924 A Chico CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      
530-924 7 Chico CA 508J CENTURYLINK COMMUNICATIONS, LLC 724      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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