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: LSANCA12DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-361 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730   2006-11-24   
323-644 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-660 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-661 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-662 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-663 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-664 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-665 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-666 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-667 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-668 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-669 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-671 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-674 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-783 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-906 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-912 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-913 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      
323-953 A Los Angeles: DA 02 CA 9740 PACIFIC BELL 730      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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