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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
916-931 A Rio Linda CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-931 0 Rio Linda CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2019-04-08   
916-931 1 Rio Linda CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2019-04-08   
916-931 2 Rio Linda CA   073H TELNYX LLC 726   2019-07-26   
916-931 3 Rio Linda CA   649C ONVOY, LLC - CA 726   2020-05-04   
916-931 4 Rio Linda CA   649C ONVOY, LLC - CA 726   2020-05-04   
916-931 5 Rio Linda CA   6529 T-MOBILE USA, INC. 726   2020-03-13   
916-931 6 Rio Linda CA   649C ONVOY, LLC - CA 726   2019-04-12   
916-931 7 Rio Linda CA   649C ONVOY, LLC - CA 726   2019-04-12   
916-931 8 Rio Linda CA   6529 T-MOBILE USA, INC. 726   2019-11-30   
916-931 9 Rio Linda CA   6529 T-MOBILE USA, INC. 726   2019-06-21   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.