Local Calling Guide

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Switch: MCALTXMU

Switch (link to prefixes) Switch name Company
MCALTXMU02W McAllen STP   
MCALTXMU5MD    
MCALTXMUDS0 McAllen  9533 SOUTHWESTERN BELL 
MCALTXMUGT0 MCALLEN  679E TRANSTELCO, INC. - TX 
MCALTXMURS1 McAllen ISDN  9533 SOUTHWESTERN BELL 

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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