Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   624H ONVOY SPECTRUM, LLC 360   2024-10-31   
779-344 3 Seward IL   224C ONVOY, LLC 360   2022-12-11   
779-344 4 Seward IL   224C ONVOY, LLC 360   2022-01-07   
779-344 5 Seward IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-04-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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