Local Calling Guide

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Switch: DLLSTXDA

Switch (link to prefixes) Switch name Company
DLLSTXDADS0 Davis  9533 SOUTHWESTERN BELL 
DLLSTXDADS0 Davis  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 
DLLSTXDARS2 DALLAS   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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