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: FRSNCA01XOY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-966 0 Springville CA 649C ONVOY, LLC - CA 728   2021-07-22   
559-975 8 Madera CA 649C ONVOY, LLC - CA 728   2005-11-14   
559-991 0 Tulare CA 649C ONVOY, LLC - CA 728   2019-02-24   
559-992 0 Corcoran CA 649C ONVOY, LLC - CA 728   2017-04-21   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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