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.

NPA: 916 [Rate centres in NPA 916] [Dial plan for NPA 916]

NXX: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
916-977 A Sacramento: North DA CA SCRMCA02DS0  9740 PACIFIC BELL 726      
916-977 0 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 1 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 2 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 3 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 4 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 5 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 6 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 7 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 8 Sacramento: North DA CA   9740 PACIFIC BELL 726      
916-977 9 Sacramento: North DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2022-04-22   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.