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.

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A Trusted Traveler number, also known as a Known Traveler Number (KTN), is a unique identifier issued by the TSA to participants of programs like TSA PreCheck, Global Entry, or Nexus. The number typically consists of nine digits, often starting with the digits 98, 99, or 15. Inputting this number when booking flights grants access to expedited security screening lanes.

FAQs & Answers

  1. What digits does a Trusted Traveler Number usually start with? A Trusted Traveler Number typically starts with the digits 98, 99, or 15 and contains nine digits in total.
  2. How do I use my Trusted Traveler Number when booking flights? You enter your Trusted Traveler Number (KTN) during the flight booking process to gain access to expedited TSA PreCheck security lanes.
  3. Which programs issue a Trusted Traveler Number? Trusted Traveler Numbers are issued by the TSA to participants in programs like TSA PreCheck, Global Entry, and Nexus.

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For more information on how to expedite your travel experience, check out our related videos on TSA PreCheck application tips, Global Entry benefits, and Nexus program requirements.

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