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: FRSNCA01XAZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-334 A Visalia CA 8322 MPOWER COMMUNICATIONS CORP - CA 728      
559-334 2 Visalia CA 8322 MPOWER COMMUNICATIONS CORP - CA 728      
559-368 A Tulare CA 8322 MPOWER COMMUNICATIONS CORP - CA 728      
559-368 7 Tulare CA 8322 MPOWER COMMUNICATIONS CORP - CA 728   2015-01-02   
559-547 3 Fresno CA 8322 MPOWER COMMUNICATIONS CORP - CA 728   2014-05-11   

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

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