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: SCRMCA02DS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-978 9 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 A Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 0 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 1 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 2 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 3 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 4 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 7 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 8 Sacramento: North DA CA 9740 PACIFIC BELL 726      
916-979 9 Sacramento: North DA CA 9740 PACIFIC BELL 726      

<< 1 2

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.