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: NRWLCA141MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
424-644 A Malibu CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2006-08-26   
562-219 A Norwalk CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-08-27   
626-502 A Covina-Baldwin Park CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
909-274 A Diamond Bar CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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