Local Calling Guide

Switch search

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

Switch: TGRDORAO

Switch (link to prefixes) Switch name Company
TGRDORAODS0 PORTLAND  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 
TGRDORAODS0 PORTLAND  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.