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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OCN: 857F MCC TELEPHONY OF THE WEST, LLC - CA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
442-294 4 Ridgecrest CA VTVLCAXAXKX  730   2018-02-09   
442-423 3 Lake Isabella CA VTVLCAXAXKX  730   2021-01-11   
760-377 2 Inyokern CA VTVLCAXAXKX  730   2012-02-03   
760-463 A Ridgecrest CA VTVLCAXAXKX  730      
760-463 1 Ridgecrest CA VTVLCAXAXKX  730   2012-02-19   
760-478 8 Kernville CA VTVLCAXAXKX  730   2015-06-06   
760-531 3 Weldon CA VTVLCAXAXKX  730   2015-06-06   
760-677 2 Ridgecrest CA VTVLCAXAXKX  730   2013-12-23   
760-812 1 Lake Isabella CA VTVLCAXAXKX  730   2015-06-06   
951-291 6 Elsinore CA ONTRCAXPX6Y  730   2011-03-18   
951-309 A Sun City CA ONTRCAXPX6Y  730      
951-309 1 Sun City CA ONTRCAXPX6Y  730   2011-04-11   
951-322 A Perris CA ONTRCAXPX6Y  730      
951-322 1 Perris CA ONTRCAXPX6Y  730   2011-04-22   
951-458 9 Sun City CA ONTRCAXPX6Y  730   2016-06-14   
951-878 4 Lakeview-Nuevo CA ONTRCAXPX6Y  730   2011-03-18   

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

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