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: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.