Hello, and welcome!
You can check on your application status and possibly obtain your KTN number, if it has already been generated, depending on when you first applied for TSA PRE. Go to this site:
It can take anywhere from a few days to 3 weeks to receive TSA Precheck. You might receive a letter with your KTN number or you just might see the TSA Pre status on your next reservation/boarding pass. Please keep in mind, in case you didn't know, that TSA Pre works on a random selection basis, and does not guarantee that you will be chosen to receive it on every flight. This is just another form of tightened security. Also, be sure to let all airlines you fly and/or where you are a frequent flyer, that you now have TSA Pre and provide your number.
If you need any additional information, you can call(###) ###-####between 8am - 10pm Eastern, Mon. - Fri.
You can also call the TSA Contact Center at:(###) ###-####br />Weekdays:8 a.m. to 11 p.m. ET
Weekends/Holidays:9 a.m. to 8 p.m. ET
I hope this helped and wish you safe travel!
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