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: FRNTCAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-822 A Friant CA 2332 PONDEROSA TELEPHONE CO. 728      
559-841 A Shaver CA 2332 PONDEROSA TELEPHONE CO. 728      
559-855 A Auberry CA 2332 PONDEROSA TELEPHONE CO. 728      
559-865 A Wishon CA 2332 PONDEROSA TELEPHONE CO. 728      
559-868 A O'Neals CA 2332 PONDEROSA TELEPHONE CO. 728      
559-877 A North Fork CA 2332 PONDEROSA TELEPHONE CO. 728      
559-893 A Big Creek CA 2332 PONDEROSA TELEPHONE CO. 728      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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