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: ONTRCAXPX6Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
951-291 6 Elsinore CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2011-03-18   
951-309 A Sun City CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730      
951-309 1 Sun City CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2011-04-11   
951-322 A Perris CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730      
951-322 1 Perris CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2011-04-22   
951-458 9 Sun City CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2016-06-14   
951-878 4 Lakeview-Nuevo CA 857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2011-03-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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