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  1. What is my KTN? | TSA PreCheck® Known Traveler Number Look Up

    If you are a TSA PreCheck® member, you can look up your known traveler number online. Find your KTN here.

  2. What is a Known Traveler Number (KTN)? | Transportation Security ...

    What is a Known Traveler Number (KTN)? A Known Traveler Number (KTN) is issued to all individuals approved to receive TSA PreCheck® expedited screening. The KTN must be added in the KTN field …

  3. Known Traveler Number: Here's What You Need To Know

    Oct 22, 2025 · A Known Traveler Number (KTN) is issued to travelers enrolled in a Trusted Traveler Program like TSA PreCheck or Global Entry, allowing access to expedited security screening at U.S. …

  4. Known Traveler Number Guide: (How to Lookup, Global Entry, Pre …

    May 24, 2025 · A Known Traveler Number, also called your “KTN,” is a 9-digit number used to link your TSA Pre-Check enrollment to your travel itinerary in order to ensure that you can receive TSA Pre …

  5. How to Find Your TSA PreCheck Number: Easy KTN Lookup - wikiHow

    Oct 24, 2025 · But to access those PreCheck lanes, you need to enroll in the service and provide your PreCheck number—called a Known Traveler Number (KTN)—to the airline when you book your …

  6. What is a Known Traveler Number, and how do you apply for 1? - The ...

    Jan 1, 2024 · A Known Traveler Number (KTN) is a unique nine-digit code assigned to members of TSA PreCheck, Global Entry, Nexus or SENTRI, confirming eligibility for expedited airport security screening.

  7. Known Traveler Number (KTN) - The Vacationer

    Feb 19, 2025 · Everything you need to know about Known Traveler Numbers (KTN). How to apply, how much it costs, how to use it, and more.

  8. A Comprehensive Guide to Finding Your TSA Known Traveler Number (KTN)

    Mar 24, 2025 · Traveling can often be a complex experience, but having your TSA Known Traveler Number (KTN) can significantly streamline the process. This number grants you access to expedited …

  9. TSA PreCheck - Aer Lingus

    Using your Known Traveler Number (KTN) The Known Traveler Number (KTN) is the unique identification number assigned to you when your TSA PreCheck membership is approved.

  10. What Is a Known Traveler Number and Do You Need One?

    Jul 21, 2023 · A KTN is a 9-digit, unique number that identifies a traveler who is eligible to receive expedited screening through airport security. Those who pay for and are approved for TSA PreCheck …