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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-405 A Rockford IL RCFRILRTXRY  616J LEAP TELECOM, LLC 360   2024-11-21   
779-405 0 Rockford IL RCFRILRTXRY  616J LEAP TELECOM, LLC 360   2024-11-21   
779-405 1 Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360   2025-01-07   
779-405 8 Rockford IL   6265 UNITED STATES CELLULAR - IL 360   2025-05-12   

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

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