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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-931 A Sandwich IL SNDWILXAPS0  1015 FRONTIER NORTH, INC. - IL 358      
779-931 0 Sandwich IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
779-931 1 Sandwich IL   624H ONVOY SPECTRUM, LLC 358      
779-931 8 Sandwich IL   224C ONVOY, LLC 358      
779-931 9 Sandwich IL SNDWILXAPS0  1015 FRONTIER NORTH, INC. - IL 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.