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 USA MOBILITY WIRELESS, INC. 
YNTWOHHDFMD   197D VONAGE AMERICA LLC 

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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