TSA will send a renewal notification to members who have a valid email and/or phone number on record.
You may check your membership status online. You can find your KTN expiration date under the field marked “TSA PreCheck® Expiration Date”
You may also contact customer service at 855-347-8371 weekdays between 8 a.m. - 10 p.m. ET to request your KTN expiration date.