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: CMTNCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-223 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-603 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-604 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-608 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-609 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-637 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 2 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 3 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 4 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 5 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 6 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 7 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-661 9 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 0 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 2 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 3 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 4 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 5 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 6 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 7 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 8 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-668 9 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-669 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-687 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-762 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-763 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-764 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-884 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-885 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 0 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 1 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 2 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 3 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 4 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 5 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 6 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 7 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-886 8 Compton: Compton DA CA 9740 PACIFIC BELL 730      
310-894 4 Compton: Compton DA CA 9740 PACIFIC BELL 730   2009-12-07   
310-898 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
323-774 A Los Angeles: DA 06 CA 9740 PACIFIC BELL 730      
323-774 0 Los Angeles: DA 06 CA 9740 PACIFIC BELL 730      
323-979 A Los Angeles: DA 06 CA 9740 PACIFIC BELL 730      
323-979 0 Los Angeles: DA 06 CA 9740 PACIFIC BELL 730      
424-338 A Compton: Compton DA CA 9740 PACIFIC BELL 730      
424-338 1 Compton: Compton DA CA 9740 PACIFIC BELL 730   2013-12-26   
424-338 2 Compton: Compton DA CA 9740 PACIFIC BELL 730   2013-12-26   

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

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