What Is a Known Traveler Number (KTN) and How Does It Look?

Learn what a Known Traveler Number (KTN) is, how it looks, and why it's essential for TSA PreCheck and trusted traveler programs.

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A Known Traveler Number (KTN) appears as a 9-digit number. This unique identifier is used by TSA, Department of Homeland Security, and other security agencies to verify your membership in TSA PreCheck, Global Entry, or other trusted traveler programs. It's important to remember this number and provide it when booking flights to take advantage of expedited screening benefits.

FAQs & Answers

  1. Where can I find my Known Traveler Number (KTN)? You can find your KTN on your TSA PreCheck, Global Entry, or other trusted traveler program membership card or in your online account dashboard.
  2. Why do I need to provide my Known Traveler Number when booking flights? Providing your KTN when booking flights allows airlines and TSA to verify your membership in trusted traveler programs and grant you access to expedited screening lanes.
  3. How long is a Known Traveler Number? A Known Traveler Number is a unique 9-digit number assigned to members of trusted traveler programs.

Watch More

For more insights on how to expedite your airport experience, explore our videos on TSA PreCheck enrollment, Global Entry benefits, and travel tips to save time at security checkpoints.

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. What Does a Trusted Traveler Number (KTN) Look Like and How to Use It? Learn what a Trusted Traveler Number looks like and how to use it to access TSA PreCheck and expedited airport security screening.
  9. 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.
  10. 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.
  11. Do You Need a Known Traveler Number (KTN) for TSA PreCheck and Global Entry? Learn why a Known Traveler Number (KTN) is essential for TSA PreCheck and Global Entry, and how it speeds up your airport security process.
  12. 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.
  13. 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.