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: LSANCA03DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-217 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-229 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-346 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-356 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-437 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-576 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-613 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-617 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-620 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-621 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-625 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-626 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-633 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-687 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-830 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-894 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      
213-897 A Los Angeles: DA 01 CA 9740 PACIFIC BELL 730      

Last updated: Wed, 10 Apr 2019 01:22:05 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.