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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-377 A South Beloit IL MDSNWI11XSY  622J SKYE TELECOM LLC DBA SKYETEL 354      
779-377 0 South Beloit IL MDSRWIKE1MD  939H COMMIO, LLC 354   2022-11-19   
779-377 7 South Beloit IL MDSNWI11XSY  622J SKYE TELECOM LLC DBA SKYETEL 354   2021-11-13   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.