Local Calling Guide

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Switch: COLNNYKS

Switch (link to prefixes) Switch name Company
COLNNYKS3MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 
COLNNYKS4MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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