Local Calling Guide

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Switch: CHCGILAC

Switch (link to prefixes) Switch name Company
CHCGILACDS0 CHICAGO   
CHCGILACGT0   511K RCN TELECOM SERVICES OF ILLINOIS, LLC 
CHCGILACGT0   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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