Local Calling Guide

Switch search

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

Switch: CHCGILBW

Switch (link to prefixes) Switch name Company
CHCGILBWCM2 CHICAGO  9748 AMERICAN MESSAGING SERVICES, LLC 

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.