Local Calling Guide

Area code/prefix search

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-425 A Forrest (Livingston) IL   516C AT&T CORP. 366   2025-08-22   
779-425 7 Forrest (Livingston) IL   516C AT&T CORP. 366   2025-08-22   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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