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: SANTCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-258 A El Cajon CA 9740 PACIFIC BELL 732      
619-448 A El Cajon CA 9740 PACIFIC BELL 732      
619-449 A El Cajon CA 9740 PACIFIC BELL 732      
619-562 A El Cajon CA 9740 PACIFIC BELL 732      
619-596 A El Cajon CA 9740 PACIFIC BELL 732      
619-956 A El Cajon CA 9740 PACIFIC BELL 732      
619-956 0 El Cajon CA 9740 PACIFIC BELL 732      
619-956 2 El Cajon CA 9740 PACIFIC BELL 732      
619-956 4 El Cajon CA 9740 PACIFIC BELL 732      
619-956 5 El Cajon CA 9740 PACIFIC BELL 732      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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