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: NHLDCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-331 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-332 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-334 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 0 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 1 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 2 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 3 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 4 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 5 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 6 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 7 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-338 8 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 0 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 1 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 2 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 3 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 4 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 5 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 8 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-339 9 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-344 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-348 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 0 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 1 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 2 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 3 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 7 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 8 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-349 9 Sacramento: North DA CA 9740 PACIFIC BELL 726      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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