Need Help?
Call the toll-free ThriftLine at 1-877-968-3778 and speak to a Participant Service Representative.

For calls outside the U.S. and Canada call 1-404-233-4400 (not a toll-free number).

The ThriftLine hours are Monday through Friday, 7 a.m. to 9 p.m., Eastern time.

As soon as your account is established, the TSP will mail you a Web password to use with your beneficiary participant account number when you log into the My Account section of the TSP website. The first time you log into your account with this password, you will be prompted to create a new one of your choice.

You can change your password at any time on the website but you must first enter your beneficiary participant account number (or customized user ID) and your existing password.

If you forget or lose your TSP account password, visit the My Account section of, or call the ThriftLine at 1-877-968-3778.