Local Calling Guide

Switch search

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

Switch: MCDDTXXA

Switch (link to prefixes) Switch name Company
MCDDTXXADS0 MCDADE  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.