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Contact TSP

If you need assistance regarding your account or additional information about the TSP, the following resources are available:


Your Agency or Service

While you are employed, your agency or service is your primary TSP contact. It provides you with TSP forms and informational materials and answers your questions about the TSP. Your agency or service also processes your enrollment and sends your contributions and loan payments (if applicable) to the TSP each pay period.



ThriftLine Telephone Number



The ThriftLine is the TSP's automated telephone service, available 24 hours a day, 7 days a week, from a touch-tone telephone.  You can use the ThriftLine to find out the latest information about the TSP (such as share prices and rates of return), as well as information about your TSP account.  You can also request certain transactions (you will need your TSP account number and your TSP Personal Identification Number (PIN).  The features of the ThriftLine are described on the Web/ThriftLine card. You can also opt to speak to a Participant Service Representative. Click here for the ThriftLine number.



ThriftLine Telephone Number

The TSP itself is the primary contact for participants who have left Federal service.  You can reach the TSP by calling the ThriftLine and pressing 3, or you can write to the TSP.

Fax and Mail Services You can fax or mail correspondence and forms to the TSP. Click here for the fax number and mailing address.


If you have comments or technical problems regarding this Web site, click on the Comments link.  If you have a problem or a question about your account, call the ThriftLine and speak to a TSP Participant Service Representative.  We review comments, but we do not answer individual comments.


The Federal Retirement Thrift Investment Board (FRTIB), which administers the TSP, maintains the Web site, which provides information about the FRTIB electronic reading room, procurements, and employment opportunities.