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: FRSNCA01TMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-778 5 Fresno CA 939H COMMIO, LLC 728   2024-02-25   
559-870 2 Tulare CA 939H COMMIO, LLC 728   2024-01-21   
559-870 3 Tulare CA 939H COMMIO, LLC 728   2024-01-21   
559-870 4 Tulare CA 939H COMMIO, LLC 728   2024-01-21   
559-878 A Fresno CA 939H COMMIO, LLC 728      
559-878 6 Fresno CA 939H COMMIO, LLC 728   2017-05-15   
559-910 8 Grant Grove CA 939H COMMIO, LLC 728   2022-11-05   
559-922 1 Laton CA 939H COMMIO, LLC 728   2023-08-19   
559-923 0 Laton CA 939H COMMIO, LLC 728   2023-08-19   
559-923 8 Laton CA 939H COMMIO, LLC 728   2023-08-19   
559-923 9 Laton CA 939H COMMIO, LLC 728   2023-08-19   
559-929 1 Hanford CA 939H COMMIO, LLC 728   2022-07-22   
559-949 0 Alpaugh CA 939H COMMIO, LLC 728   2021-10-22   
559-949 1 Alpaugh CA 939H COMMIO, LLC 728   2021-10-22   
559-949 2 Alpaugh CA 939H COMMIO, LLC 728   2021-10-22   
559-949 3 Alpaugh CA 939H COMMIO, LLC 728   2021-10-22   
559-963 1 Laton CA 939H COMMIO, LLC 728   2023-08-19   
559-964 0 Laton CA 939H COMMIO, LLC 728   2024-01-21   
559-966 8 Springville CA 939H COMMIO, LLC 728   2022-11-05   

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Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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