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: RSMGCAHADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
657-859 A Santa Ana CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730   2008-09-23   
714-352 A Santa Ana CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730   2007-01-25   
714-389 A Santa Ana CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
714-417 A Santa Ana CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
714-602 A Orange CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
714-710 A Silverado CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-216 A Trabuco CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-333 A Irvine CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-387 A Irvine CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-398 A Irvine CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730   2010-09-16   
949-502 A Irvine CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-546 A Trabuco CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-679 A Irvine CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-706 A Newport Beach CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-709 A Trabuco CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      
949-713 A Trabuco CA 7661 COX CALIFORNIA TELCOM, LLC - CA 730      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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