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: LSANCA02DS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-922 7 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-922 8 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-922 9 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-928 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-928 0 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-928 4 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-928 8 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-928 9 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 0 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 1 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 2 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 3 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 4 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 5 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 7 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 8 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-972 9 Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-974 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-978 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      

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

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