Local Calling Guide

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Switch: GUFDNYAA

Switch (link to prefixes) Switch name Company
GUFDNYAA2MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 
GUFDNYAA3MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 

Last updated: Sat, 02 May 2026 12:20:53 UTC

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