I forgot my Known Traveler Number (KTN). How do I find it?

If you are a member of the TSA PreCheck® Application Program, look up your Known Traveler Number (KTN) here.  If you are a member of another trusted traveler program, such as Global Entry, NEXUS, or SENTRI, log on to the Trusted Traveler Program website to obtain your PASSID, which is your KTN.

TSA PreCheck Program

TSA PreCheck® Program - Alaska Airlines

Known Traveler Number (KTN) - What is it and Should You Get One in 2023? - The Vacationer

I forgot my Known Traveler Number (KTN). How do I find it?

TSA PreCheck · Spirit Support

TSA PreCheck - Cost, Renewal, Locations, Application, Benefits, Airports, & Airlines in 2023 - The Vacationer

How to Add Your Known Traveler Number

How to Apply for TSA PreCheck or Global Entry

Known Traveler Number Guide: (How to Lookup, Global Entry, Pre-Check) [2023] - UponArriving

Where can you locate a known traveler number on a Global Entry card? - Quora

Ask TSA

How to Find Your TSA PreCheck Number: Easy KTN Lookup