Local Calling Guide

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Switch: DLLSTXBK

Switch (link to prefixes) Switch name Company
DLLSTXBK8MD   7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 
DLLSTXBKDS0 DALLAS   
DLLSTXBKDS1 DALLAS  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 
DLLSTXBKWMD    

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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