How Many Digits Are in a Known Traveler Number (KTN)?

Discover how many digits are in a Known Traveler Number (KTN) used for TSA PreCheck and other trusted traveler programs.

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A Known Traveler Number (KTN) is a nine-digit number issued to individuals who are approved for TSA PreCheck, Global Entry, NEXUS, or SENTRI. This number is used to link your profile with your travel bookings, ensuring smoother security checks at airports.

FAQs & Answers

  1. What is a Known Traveler Number (KTN)? A Known Traveler Number (KTN) is a unique nine-digit number assigned to travelers approved for programs like TSA PreCheck, Global Entry, NEXUS, or SENTRI to facilitate faster airport security screening.
  2. Where can I find my Known Traveler Number? Your Known Traveler Number is provided upon enrollment approval in trusted traveler programs such as TSA PreCheck or Global Entry and can usually be found in your membership documentation or online account.
  3. Why is my KTN important for travel? Your KTN links your travel bookings to trusted traveler programs, allowing you to access expedited security lanes and enjoy a smoother airport security experience.

Watch More

For more information on expedited travel programs and how to use your Known Traveler Number effectively, explore our other videos covering TSA PreCheck enrollment, Global Entry benefits, and travel security tips.

  1. What is a Known Traveler Number and How Do You Find It? Learn what a Known Traveler Number (KTN) is and how to locate yours for faster airport security.
  2. What You Need to Know About Your KTN Number Discover what a KTN number is and how it can expedite your airport experience with TSA PreCheck and Global Entry.
  3. Understanding Your 10-Digit Known Traveler Number (KTN) Learn what a 10-digit Known Traveler Number (KTN) is and how it benefits your travel experience.
  4. What Is a Known Traveler Number (KTN) and How to Use It? Learn about the KTN, a vital number for faster airport security through TSA PreCheck and trusted traveler programs.
  5. Who Issues Known Traveler Numbers (KTN) for TSA PreCheck and Trusted Traveler Programs? Learn who issues Known Traveler Numbers (KTN) to expedite airport security through TSA PreCheck, Global Entry, NEXUS, and SENTRI programs.
  6. What Does a Known Traveler Number (KTN) Look Like? Explained Learn what a Known Traveler Number (KTN) looks like and how it is used in TSA PreCheck and Global Entry programs.
  7. What Is a Known Traveler ID (KTN) and How Does It Work? Learn what a Known Traveler ID (KTN) is, how to find it, and how it helps you access expedited airport security screening.
  8. Why Am I Being Asked for a Known Traveler Number (KTN) When Booking Flights? Learn why airlines request your Known Traveler Number (KTN) to speed up airport security with TSA PreCheck, Global Entry, and NEXUS benefits.
  9. Does Everyone Have a Known Traveler Number (KTN)? What You Need to Know Learn who has a Known Traveler Number (KTN), how to get one, and benefits of Trusted Traveler programs like TSA PreCheck and Global Entry.
  10. Understanding Your Known Traveler Number (KTN) on a Passport Learn about known traveler numbers (KTN) and how they expedite travel for TSA PreCheck, Global Entry, NEXUS, and SENTRI participants.
  11. How to Find Your Known Traveler Number (KTN) Easily Learn how to check if you have a Known Traveler Number (KTN) and where to find it in your travel documents.
  12. How to Find Your Known Traveler Number (KTN) for TSA PreCheck and Trusted Traveler Programs Learn how to locate your Known Traveler Number (KTN) on TSA PreCheck, Global Entry, NEXUS, or SENTRI cards and through your Trusted Traveler account.