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: FRSNCA01XYZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-599 A Clovis CA 965H FRACTEL, LLC 728      
559-699 A Visalia CA 965H FRACTEL, LLC 728      
559-758 A Parlier CA 965H FRACTEL, LLC 728      
559-833 A Selma CA 965H FRACTEL, LLC 728      
559-844 A Miramonte-Pinehurst CA 965H FRACTEL, LLC 728      
559-944 A Fresno CA 965H FRACTEL, LLC 728      
559-946 A Visalia CA 965H FRACTEL, LLC 728      
559-955 A Tivy Valley CA 965H FRACTEL, LLC 728      
559-966 A Springville CA 965H FRACTEL, LLC 728      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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