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: SCRMCA12RS6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-228 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-228 2 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-228 3 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-228 5 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 0 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 1 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 2 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 3 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 4 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 7 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 8 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-368 9 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-856 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-856 1 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-856 3 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-856 5 Sacramento: Main DA CA 9740 PACIFIC BELL 726      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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