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What Number Should I Use for Global Entry? Understanding Your Known Traveler Number

Learn which number to use for Global Entry applications—the Known Traveler Number (KTN)—and how to find and use it for expedited travel processing.

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Video transcript

For Global Entry applications, you’ll need your Known Traveler Number (KTN), which is typically found on the approval letter from the U.S. Customs and Border Protection (CBP). Once approved, the KTN can also be found in your Trusted Traveler Program (TTP) account online. It's crucial to add the KTN to your flight reservations to benefit from expedited processing.

Questions and answers

  1. What is a Known Traveler Number (KTN)?

    A Known Traveler Number (KTN) is a unique identifier assigned to approved members of Trusted Traveler Programs like Global Entry, used to access expedited airport security screening.

  2. Where can I find my Known Traveler Number for Global Entry?

    You can find your Known Traveler Number on the approval letter from U.S. Customs and Border Protection or by logging into your Trusted Traveler Program (TTP) online account.

  3. Why do I need to add my KTN to my flight reservation?

    Adding your KTN to your flight reservations allows you to receive TSA PreCheck benefits and expedited security screening during travel.

Related questions

Continue exploring

For more travel efficiency tips, explore our related content on how to apply for Global Entry, benefits of the Trusted Traveler Program, and step-by-step guides on expedited airport security processes.