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: SCRMCA13RS9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-382 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-382 1 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-382 3 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-382 5 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 0 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 1 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 2 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 3 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 4 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 6 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 7 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 8 Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-387 9 Sacramento: Main DA CA 9740 PACIFIC BELL 726      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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