Local Calling Guide

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Switch: CHCGILGM

Switch (link to prefixes) Switch name Company
CHCGILGM05T    
CHCGILGMCM9 CHICAGO   
CHCGILGMDS7 CHICAGO  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 
CHCGILGMDS7 CHICAGO  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 
CHCGILGMDS7 CHICAGO  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 
CHCGILGMDS8 CHICAGO   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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