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: CRLSCAKZCM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-201 A El Cajon CA 6664 SPRINT SPECTRUM L.P. 732   2007-03-05   
619-249 A El Cajon CA 6664 SPRINT SPECTRUM L.P. 732      
619-368 A El Cajon CA 6664 SPRINT SPECTRUM L.P. 732      
619-569 A El Cajon CA 6664 SPRINT SPECTRUM L.P. 732   2007-12-13   
619-647 A El Cajon CA 6664 SPRINT SPECTRUM L.P. 732      
760-562 A El Centro CA 6664 SPRINT SPECTRUM L.P. 732      
760-879 A El Centro CA 6664 SPRINT SPECTRUM L.P. 732   2011-03-10   
858-220 A La Jolla CA 6664 SPRINT SPECTRUM L.P. 732      
858-652 A La Jolla CA 6664 SPRINT SPECTRUM L.P. 732   2006-11-13   

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

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