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: SNCZCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-420 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 6 Santa Cruz CA 9740 PACIFIC BELL 722      
831-420 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-421 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-421 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-421 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-423 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 6 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 7 Santa Cruz CA 9740 PACIFIC BELL 722      
831-425 8 Santa Cruz CA 9740 PACIFIC BELL 722      
831-426 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 6 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 8 Santa Cruz CA 9740 PACIFIC BELL 722      
831-427 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-429 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-435 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-435 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 7 Santa Cruz CA 9740 PACIFIC BELL 722      
831-454 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-457 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-458 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-459 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 7 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 8 Santa Cruz CA 9740 PACIFIC BELL 722      
831-460 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 7 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 8 Santa Cruz CA 9740 PACIFIC BELL 722      
831-466 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 5 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 6 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 7 Santa Cruz CA 9740 PACIFIC BELL 722      
831-469 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 A Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 0 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 1 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 2 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 3 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 4 Santa Cruz CA 9740 PACIFIC BELL 722      
831-471 9 Santa Cruz CA 9740 PACIFIC BELL 722      
831-502 A Santa Cruz CA 9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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