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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
916-520 A Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-520 0 Sacramento: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2008-05-25   
916-520 1 Sacramento: Main DA CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2009-04-27   
916-520 2 Sacramento: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726   2009-04-24   
916-520 3 Sacramento: Main DA CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2009-04-27   
916-520 4 Sacramento: Main DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-04-29   
916-520 5 Sacramento: Main DA CA RCRDCAUUPS0  7174 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 726   2008-08-30   
916-520 6 Sacramento: Main DA CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2010-09-11   
916-520 7 Sacramento: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726   2010-03-11   
916-520 8 Sacramento: Main DA CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2010-09-11   
916-520 9 Sacramento: Main DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2010-11-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.