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.

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The Known Traveler Number (KTN) is a unique identifier assigned to travelers who have been approved for TSA PreCheck or other trusted traveler programs. This number enables expedited security screening by allowing these travelers to access dedicated TSA PreCheck lanes at participating airports. Simply input your KTN when booking flights to enjoy a quicker, smoother security experience.

FAQs & Answers

  1. How do I apply for a Known Traveler Number? You can apply for a KTN through the TSA PreCheck website or other trusted traveler programs by submitting an application and undergoing a background check.
  2. Is the Known Traveler Number the same as my TSA PreCheck membership? Not exactly; the KTN is a unique number assigned to you once approved for TSA PreCheck or other programs, which you use during travel bookings.
  3. Can I use my KTN for international travel? The KTN primarily applies to TSA PreCheck in the U.S., but members of trusted traveler programs like Global Entry can benefit when traveling internationally.

Watch More

For more tips on navigating airport security and travel efficiency, check out our guides on TSA PreCheck benefits and trusted traveler programs.

  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. Understanding Your Known Traveler Number on a Passport Learn what the Known Traveler Number is and how it simplifies your travel experience with TSA PreCheck.
  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. 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.
  5. Understanding the Difference Between Known Traveler Number and TSA PreCheck Learn how your Known Traveler Number relates to TSA PreCheck for expedited airport security.