Local Calling Guide

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

Switch: CHCGILFR

Switch (link to prefixes) Switch name Company
CHCGILFRDS0 CHICAGO FRANKLIN  9329 ILLINOIS BELL TEL CO 
CHCGILFRDS1 CHICAGO FRANKLIN  9329 ILLINOIS BELL TEL CO 
CHCGILFRDS2 CHICAGO FRANKLIN  9329 ILLINOIS BELL TEL CO 
CHCGILFRDS3 CHICAGO FRANKLIN  9329 ILLINOIS BELL TEL CO 
CHCGILFRDS4 CHICAGO FRANKLIN  9329 ILLINOIS BELL TEL CO 

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

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