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: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-308 A Chatsworth IL BLTNILTSYMD  495J STRATUS NETWORKS 366      
779-308 0 Chatsworth IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-12-26   
779-308 1 Chatsworth IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2020-11-18   
779-308 3 Chatsworth IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.