Local Calling Guide

Switch search

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

Switch: DLLSTXAD

Switch (link to prefixes) Switch name Company
DLLSTXADDS0 Addison  9533 SOUTHWESTERN BELL 
DLLSTXADDS1 Addison  9533 SOUTHWESTERN BELL 
DLLSTXADRS3 ADDISON  9533 SOUTHWESTERN BELL 

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.