Local Calling Guide

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Switch: DWGVILDG

Switch (link to prefixes) Switch name Company
DWGVILDGDS0 DOWNERS GROVE  9329 ILLINOIS BELL TEL CO 
DWGVILDGDS1 DOWNERS GROVE  9329 ILLINOIS BELL TEL CO 

Last updated: Sun, 17 May 2026 03:26:51 UTC

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