Local Calling Guide

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Search by CLLI code
  • Enter full or partial CLLI code to see all matching switches.

Switch: CHCGILST

Switch (link to prefixes) Switch name Company
CHCGILST55T CHICAGO   
CHCGILSTDS0 CHICAGO STEWART  9329 ILLINOIS BELL TEL CO 
CHCGILSTDS1 CHICAGO STEWART  9329 ILLINOIS BELL TEL CO 
CHCGILSTRMD    
CHCGILSTSMD    

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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