Local Calling Guide

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Search by CLLI code
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Switch: CLMBOH29

Switch (link to prefixes) Switch name Company
CLMBOH29DS0 COLUMBUS 29 DS0  9321 OHIO BELL TEL CO 
CLMBOH29RS1 COLUMBUS 29 RS1   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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