Local Calling Guide

Switch search

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

Switch: CLMBOH29

Switch (link to prefixes) Switch name Company
CLMBOH29DS0 COLUMBUS 29 DS0  9321 OHIO BELL TEL CO 
CLMBOH29RS1 COLUMBUS 29 RS1   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.