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: NORGCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
818-576 A Northridge CA 9740 PACIFIC BELL 730      
818-677 A Northridge CA 9740 PACIFIC BELL 730      
818-678 A Northridge CA 9740 PACIFIC BELL 730      
818-718 A Northridge CA 9740 PACIFIC BELL 730      
818-725 A Northridge CA 9740 PACIFIC BELL 730      
818-727 A Northridge CA 9740 PACIFIC BELL 730      
818-734 A Northridge CA 9740 PACIFIC BELL 730      
818-772 A Northridge CA 9740 PACIFIC BELL 730      
818-773 A Northridge CA 9740 PACIFIC BELL 730      
818-775 A Northridge CA 9740 PACIFIC BELL 730      

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

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