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: ANHMCANG6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
424-365 3 West Los Angeles CA 829J PAETEC ITEL, LLC 730   2014-07-25   
562-247 7 Long Beach CA 829J PAETEC ITEL, LLC 730   2014-02-24   
562-554 3 Long Beach CA 829J PAETEC ITEL, LLC 730   2021-11-23   
747-225 4 San Fernando: Pacoima DA CA 829J PAETEC ITEL, LLC 730   2014-06-26   
805-920 9 Somis CA 829J PAETEC ITEL, LLC 730   2017-09-21   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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