I forgot my Known Traveler Number (KTN). How do I find it?
https://www.tsa.gov/travel/frequently-asked-questions/i-forgot-my-known-traveler-number-ktn-how-do-i-find-it
WebI forgot my Known Traveler Number (KTN). How do I find it? If you are a member of the TSA PreCheck® Application Program, look up your Known Traveler Number (KTN) here. If you are a member of another trusted traveler program, such as Global Entry, NEXUS, or SENTRI, log on to the Trusted Traveler Program website to obtain your PASSID, which …
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