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: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-779 A Chadwick IL   224C ONVOY, LLC 364   2025-10-17   
779-779 7 Chadwick IL   224C ONVOY, LLC 364   2025-10-17   
779-779 8 Chadwick IL   224C ONVOY, LLC 364   2025-10-17   
779-779 9 Chadwick IL   224C ONVOY, LLC 364   2025-10-17   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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