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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-577 A Rockford IL RCFRILRTXFY  622J SKYE TELECOM LLC DBA SKYETEL 360      
779-577 0 Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 1 Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 7 Rockford IL RCFRILRTXFY  622J SKYE TELECOM LLC DBA SKYETEL 360   2021-11-13   
779-577 8 Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360   2024-11-15   
779-577 9 Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360   2024-11-15   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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