Local Calling Guide

Switch search

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

Switch: DFNCOHBZ

Switch (link to prefixes) Switch name Company
DFNCOHBZDS0 DEFIANCE  2094 QUALSTAR COMMUNICATIONS, INC. - OH 

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.