Local Calling Guide

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  • Enter full or partial CLLI code to see all matching switches.

Switch: IRNGTXXG

Switch (link to prefixes) Switch name Company
IRNGTXXGDS0 IRVING WALNUT HILL  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 
IRNGTXXGDS1 IRVING  0701 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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