Have a Tax Question? Ask a Tax Expert
According to the TSA website, the best way is to go online to find it. Citation and website link are as follows. Additional contact information is also enclosed below. A phone call may be useful, too.(###) ###-####
Fiona Chen, MPA, Ph.D., CPA, ABV, CFF, CITP
If you are a member of the TSA Pre✓® Application Program, look up your KTN online.
If you are a member of another trusted traveler program, such as Global Entry, NEXUS, or SENTRI, log on to the Global Online Enrollment System or GOES account to obtain your PASSID, which is your KTN.