Local Calling Guide

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

NXX: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-355 A Harmon IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
779-355 1 Harmon IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364   2022-06-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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