Local Calling Guide

Switch search

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

Switch: DTRTMIUV

Switch (link to prefixes) Switch name Company
DTRTMIUVDS0 DETROIT UNIVERSITY  9323 MICHIGAN BELL TEL CO 

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.