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: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-343 A German Valley IL FRPTILXAMMD  224C ONVOY, LLC 360      
779-343 0 German Valley IL FRPTILXAJMD  624H ONVOY SPECTRUM, LLC 360   2024-10-31   
779-343 3 German Valley IL FRPTILXAMMD  224C ONVOY, LLC 360   2022-01-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.