Local Calling Guide

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Switch: WASHDCCZ

Switch (link to prefixes) Switch name Company
WASHDCCZ01T WASHINGTON   
WASHDCCZ42W WASHINGTON   
WASHDCCZDS0 WASHINGTON   
WASHDCCZDS1 WASHINGTON  8964 XO D.C., INC. 

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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