Local Calling Guide

Switch search

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

Switch: HSTNTXAL

Switch (link to prefixes) Switch name Company
HSTNTXALDS0 ALIEF  9533 SOUTHWESTERN BELL 
HSTNTXALDS0 ALIEF  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.