Local Calling Guide

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Switch: HSTNTXAL

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

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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