Local Calling Guide

Switch search

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

Switch: CHHGILCH

Switch (link to prefixes) Switch name Company
CHHGILCHDS0 CHICAGO HEIGHTS  9329 ILLINOIS BELL TEL CO 

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.