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: VTVLCAXAY0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-308 A June Lake CA 425J CSC WIRELESS, LLC 730      
442-308 2 June Lake CA 425J CSC WIRELESS, LLC 730   2019-05-10   
442-326 4 Independence CA 425J CSC WIRELESS, LLC 730   2019-06-06   
928-264 2 Ehrenberg AZ 425J CSC WIRELESS, LLC 730   2019-06-18   
928-264 3 Ehrenberg AZ 425J CSC WIRELESS, LLC 730   2019-06-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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