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: TUSTCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
714-247 7 Santa Ana CA 9740 PACIFIC BELL 730      
714-368 A Santa Ana CA 9740 PACIFIC BELL 730      
714-430 2 Santa Ana CA 9740 PACIFIC BELL 730      
714-505 A Santa Ana CA 9740 PACIFIC BELL 730      
714-508 A Santa Ana CA 9740 PACIFIC BELL 730      
714-544 A Santa Ana CA 9740 PACIFIC BELL 730      
714-573 A Santa Ana CA 9740 PACIFIC BELL 730      
714-665 A Santa Ana CA 9740 PACIFIC BELL 730      
714-669 A Santa Ana CA 9740 PACIFIC BELL 730      
714-730 A Santa Ana CA 9740 PACIFIC BELL 730      
714-731 A Santa Ana CA 9740 PACIFIC BELL 730      
714-734 A Santa Ana CA 9740 PACIFIC BELL 730      
714-832 A Santa Ana CA 9740 PACIFIC BELL 730      
714-838 A Santa Ana CA 9740 PACIFIC BELL 730      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.