Is the Known Traveler number the same as TSA PreCheck?

A Known Traveler Number (KTN) is issued to all individuals approved to receive TSA PreCheck® expedited screening.



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If you've applied for TSA PreCheck, gone through the screening process and received confirmation of your approval into the program, you'll receive a KTN from the government. TSA PreCheck offers a fast-tracked security experience for its members.

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A redress number is different from a Known Traveler Number, which identifies your membership in Trusted Traveler programs like TSA PreCheck and Global Entry. Most travelers won't have a redress number.

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There are two 9-digit numbers on the back of the Global Entry card. The one on the upper left corner is the Known Traveler Number or PASSID. But on the upper right hand corner there is another 9-digit number, slightly larger than the PASSID.

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Travelers cannot upgrade from TSA PreCheck to Global Entry
A main reason is that the programs have distinct purposes. TSA PreCheck can help travelers pass through airport security checkpoints. Meanwhile, Global Entry is specifically for travelers arriving in the United States from another country.

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You can also update existing reservations with your TSA PreCheck number. Go to Edit Traveler Information in the Manage Reservations section on the website, at an airport kiosk or in the United app.

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Most applicants receive their Known Traveler Number (KTN) in 3-5 days, though some applications can take up to 60 days. Applicants can receive updates on their enrollment application status by email, phone, text or by checking online through the enrollment provider they applied with.

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What should I do? First, check that your membership has not expired by looking up your account here. If still active, confirm with your airline that your Known Traveler Number, name, and date of birth are accurate and that your airline participates in TSA PreCheck®.

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Most applicants receive approval notification in 3-5 days, though some applications can take up to 60 days. Considering this, applicants are encouraged to renew at least 60 days prior to expiry. TSA will notify members with eligibility results. How much does TSA PreCheck® renewal cost?

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If you are unclear why you are not receiving the TSA PreCheck® indicator on your boarding pass, first check that your membership has not expired by looking up your KTN (Known Traveler Number) here. If your KTN is still active, confirm with your airline that your KTN, name, and date of birth are accurate.

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The application fee for TSA PreCheck® is $78 for 5 years.

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Your Known Traveler Number (KTN) If you have a Global Entry or TSA PreCheck membership (or both), the nine-digit Known Traveler Number is used to identify you when booking travel. When you enter a participating entry point, this number can help you pass through the expedited security lane.

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TSA PreCheck® memberships last five years.

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