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: 739

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-739 A Forrest (Livingston) IL BLTNILXDXFY  506J TWILIO INTERNATIONAL, INC. 366      
779-739 7 Forrest (Livingston) IL BLTNILXDXFY  506J TWILIO INTERNATIONAL, INC. 366   2022-04-16   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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