Local Calling Guide

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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: Sat, 02 May 2026 12:20:53 UTC

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