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: VNNYCA02DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-873 A Los Angeles: DA 14 CA 9740 PACIFIC BELL 730      
323-873 1 Los Angeles: DA 14 CA 9740 PACIFIC BELL 730      
818-376 A Van Nuys CA 9740 PACIFIC BELL 730      
818-376 0 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 1 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 2 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 3 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 4 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 5 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 6 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 7 Van Nuys CA 9740 PACIFIC BELL 730      
818-376 8 Van Nuys CA 9740 PACIFIC BELL 730      
818-442 A Van Nuys CA 9740 PACIFIC BELL 730      
818-442 0 Van Nuys CA 9740 PACIFIC BELL 730      
818-442 6 Van Nuys CA 9740 PACIFIC BELL 730      
818-442 9 Van Nuys CA 9740 PACIFIC BELL 730      
818-780 A Van Nuys CA 9740 PACIFIC BELL 730      
818-785 A Van Nuys CA 9740 PACIFIC BELL 730      
818-901 A Van Nuys CA 9740 PACIFIC BELL 730      
818-902 A Van Nuys CA 9740 PACIFIC BELL 730      
818-904 A Van Nuys CA 9740 PACIFIC BELL 730      
818-908 A Van Nuys CA 9740 PACIFIC BELL 730      
818-909 A Van Nuys CA 9740 PACIFIC BELL 730      
818-989 A Van Nuys CA 9740 PACIFIC BELL 730      
818-994 A Van Nuys CA 9740 PACIFIC BELL 730      
818-997 A Van Nuys CA 9740 PACIFIC BELL 730      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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