Local Calling Guide

Area code/prefix search

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

NXX: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-357 A Leaf River IL DKLBILRSNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 364      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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