Local Calling Guide

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Switch: PRKNMIAT

Switch (link to prefixes) Switch name Company
PRKNMIATPMD   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 
PRKNMIATQMD   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 

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

Sponsored by: ISP Telecom

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