Local Calling Guide

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Switch: TGRDORAO

Switch (link to prefixes) Switch name Company
TGRDORAODS0 PORTLAND  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 
TGRDORAODS0 PORTLAND  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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