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  004F BANDWIDTH.COM CLEC, LLC - TX 
DLLSTXBKDS1 DALLAS  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 
DLLSTXBKWMD    

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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