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: FRSNCA0101Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-934 A Merced CA 516J TON80 COMMUNICATIONS, LLC 738      
209-934 6 Merced CA 516J TON80 COMMUNICATIONS, LLC 738   2021-07-10   
559-929 A Hanford CA 516J TON80 COMMUNICATIONS, LLC 728      
559-929 9 Hanford CA 516J TON80 COMMUNICATIONS, LLC 728   2022-04-21   
559-933 A Firebaugh CA 516J TON80 COMMUNICATIONS, LLC 728      
559-933 6 Firebaugh CA 516J TON80 COMMUNICATIONS, LLC 728   2021-08-13   
559-939 A Fresno CA 516J TON80 COMMUNICATIONS, LLC 728      
559-939 9 Fresno CA 516J TON80 COMMUNICATIONS, LLC 728   2022-04-25   
559-955 2 Tivy Valley CA 516J TON80 COMMUNICATIONS, LLC 728   2022-04-05   
559-993 A Visalia CA 516J TON80 COMMUNICATIONS, LLC 728      
559-993 3 Visalia CA 516J TON80 COMMUNICATIONS, LLC 728   2022-05-02   
559-996 A Corcoran CA 516J TON80 COMMUNICATIONS, LLC 728      
559-996 6 Corcoran CA 516J TON80 COMMUNICATIONS, LLC 728   2022-04-21   

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

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