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.
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Switch: LAJLCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-454 A La Jolla CA 9740 PACIFIC BELL 732      
858-456 A La Jolla CA 9740 PACIFIC BELL 732      
858-459 A La Jolla CA 9740 PACIFIC BELL 732      
858-551 A La Jolla CA 9740 PACIFIC BELL 732      
858-729 A La Jolla CA 9740 PACIFIC BELL 732      
858-729 0 La Jolla CA 9740 PACIFIC BELL 732      
858-729 1 La Jolla CA 9740 PACIFIC BELL 732      
858-729 2 La Jolla CA 9740 PACIFIC BELL 732      
858-729 5 La Jolla CA 9740 PACIFIC BELL 732      
858-729 6 La Jolla CA 9740 PACIFIC BELL 732      
858-729 7 La Jolla CA 9740 PACIFIC BELL 732      
858-729 9 La Jolla CA 9740 PACIFIC BELL 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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