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: SCRMCACN2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-937 A Elk Grove CA 073H TELNYX LLC 726      
916-937 0 Elk Grove CA 073H TELNYX LLC 726   2021-03-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.