Local Calling Guide

Area code/prefix search

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

NXX: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-428 A Rockford IL   700J WAVENATION, LLC 360   2025-09-14   
779-428 0 Rockford IL   700J WAVENATION, LLC 360   2025-09-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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