Local Calling Guide

Switch search

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

Switch: DLTHMNCB

Switch (link to prefixes) Switch name Company
DLTHMNCB0MD    
DLTHMNCBRS6 DULUTH CALUMET  9631 QWEST CORPORATION 

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.