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.

OCN: 2332 PONDEROSA TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
559-822 A Friant CA FRNTCAXFDS0  728      
559-841 A Shaver CA FRNTCAXFDS0  728      
559-855 A Auberry CA FRNTCAXFDS0  728      
559-865 A Wishon CA FRNTCAXFDS0  728      
559-868 A O'Neals CA FRNTCAXFDS0  728      
559-877 A North Fork CA FRNTCAXFDS0  728      
559-893 A Big Creek CA FRNTCAXFDS0  728      
760-928 A Cima CA CIMACAXFDS0  730      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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