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.
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Switch: FRSNCA0112Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-860 4 Fresno CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728   2011-11-21   
559-876 5 Sanger CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728   2007-09-03   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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