Local Calling Guide

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Switch: CLMDOHZI

Switch (link to prefixes) Switch name Company
CLMDOHZI6MD   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 
CLMDOHZI7MD   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 
CLMDOHZIXMD   597F VOIP INNOVATIONS, LLC 

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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