ThriftLine - 1-877-968-3778

Automated Response System

Available 24 hours a day, 7 days a week

From a touch-tone telephone, you can 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 account transactions. You will need your TSP account number and your 4-digit TSP Personal Identification Number (PIN).

If you do not have your TSP account number, you may wish to have your most recent leave and earnings statement or pay stub available when speaking with an agent.

Talk to a Participant Service Rep

Available Monday-Friday 7:00 a.m. to 9:00 p.m., Eastern time.

Press 3 to speak to a Participant Service Representative (PSR) when calling the ThriftLine. PSRs handle questions about loans, contribution allocations, interfund transfers, designations of beneficiaries, and withdrawals.

From the 50 States, including the District of Columbia, the Virgin Islands, Puerto Rico, Guam, American Samoa, and Canada, call the following numbers toll free:

  • Telephone:

    Note: Our call volume is highest on Monday and Tuesday mornings. You may experience longer wait times if you call during those hours.
  • TDD:
    (for hearing-impaired participants)

International callers who cannot use the toll-free number should call (404) 233-4400 (not toll free).

Fax and Mail Services

You can fax or mail correspondence and forms to the TSP.

Comments (no response provided)

Before submitting a comment, or technical problem, consider reviewing Frequently Asked Questions to find your answer.

You can submit comments and report technical problems regarding this website using an online comments form. We review comments, but we do not answer individual comments.

If you would like a response to your comment/question, please fax or mail your comment, call the ThriftLine, or submit a SECURE message as described below.

Secure Message Center (if you need a response)

You can send a message to the TSP and it will be answered by a TSP representative. If you want to do so, log into your account and click message center. Once there you can view frequently asked questions or compose a message. You should receive a response to your message within 24 business hours.

FRTIB Website (

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

Feedback on Our Publications

To provide feedback on our publications or identify any areas where current content is confusing, please submit a comment.