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: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-344 A Seward IL FRPTILXAMMD  224C ONVOY, LLC 360      
779-344 0 Seward IL FRPTILXAJMD  624H ONVOY SPECTRUM, LLC 360   2024-10-31   
779-344 3 Seward IL FRPTILXAMMD  224C ONVOY, LLC 360   2022-12-11   
779-344 4 Seward IL FRPTILXAMMD  224C ONVOY, LLC 360   2022-01-07   
779-344 5 Seward IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-04-17   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.