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ANSWER: In order to recover your Known Traveler Number, you have a couple of options.
Participants in the TSA Pre✓® Application Program (paid $85) can either call the UES at 855 - 347 - 8371 or visit the Universal Enrollment Services website to obtain their number.
Participants in a CBP Trusted Traveler program (paid $100) like GOES, etc., program should either call the CBP 855 - 873 - 4637 or visit the Global Online Enrollment System website to obtain their PASSID, which is their KTN.
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