Local Calling Guide

Area code/prefix search

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

NXX: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-430 A Sterling IL   700J WAVENATION, LLC 364   2025-09-14   
779-430 0 Sterling IL   700J WAVENATION, LLC 364   2025-09-14   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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