Local Calling Guide

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Switch: YNTWOHHD

Switch (link to prefixes) Switch name Company
YNTWOHHD0MD   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 
YNTWOHHD1MD   073H TELNYX LLC 
YNTWOHHD5MD   6630 SPOK, INC.  
YNTWOHHDFMD   197D VONAGE AMERICA LLC 

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

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