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: LSANCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-249 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-351 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-368 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-381 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-382 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-384 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-387 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-388 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-389 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-427 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-637 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-639 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-738 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      
213-739 A Los Angeles: DA 10 CA 9740 PACIFIC BELL 730      

Last updated: Fri, 17 May 2019 00:49:52 UTC

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