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: SNANCA11DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-250 A Santa Ana CA 9740 PACIFIC BELL 730      
714-327 A Santa Ana CA 9740 PACIFIC BELL 730      
714-540 A Santa Ana CA 9740 PACIFIC BELL 730      
714-545 A Santa Ana CA 9740 PACIFIC BELL 730      
714-549 A Santa Ana CA 9740 PACIFIC BELL 730      
714-557 A Santa Ana CA 9740 PACIFIC BELL 730      
714-641 A Santa Ana CA 9740 PACIFIC BELL 730      
714-662 A Santa Ana CA 9740 PACIFIC BELL 730      
714-668 A Santa Ana CA 9740 PACIFIC BELL 730      
714-708 A Santa Ana CA 9740 PACIFIC BELL 730      
714-754 A Santa Ana CA 9740 PACIFIC BELL 730      
714-800 A Santa Ana CA 9740 PACIFIC BELL 730      
714-850 A Santa Ana CA 9740 PACIFIC BELL 730      
714-957 A Santa Ana CA 9740 PACIFIC BELL 730      
714-966 A Santa Ana CA 9740 PACIFIC BELL 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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