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: VTVLCAXAXKX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-294 4 Ridgecrest CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2018-02-09   
442-423 3 Lake Isabella CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2021-01-11   
760-377 2 Inyokern CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2012-02-03   
760-463 A Ridgecrest CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730      
760-463 1 Ridgecrest CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2012-02-19   
760-478 8 Kernville CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2015-06-06   
760-531 3 Weldon CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2015-06-06   
760-677 2 Ridgecrest CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2013-12-23   
760-812 1 Lake Isabella CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2015-06-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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