TSP.gov Login: Secure Access to Your Federal Thrift Savings Plan

Sign In to tsp.gov: What You Need to Know

The U.S. Thrift Savings Plan (TSP) is a long-term retirement savings option for federal employees and members of the uniformed services. To review your balances, update contact details, and change elections, you must use a trusted digital identity through the official portal. This guide explains how to use the legitimate tsp.gov login flow, account requirements, security controls, and how to recognize phishing or lookalike domains.

Is tsp.gov the Official Domain?

tsp.gov is the legitimate domain maintained by the Federal Retirement Thrift Investment Board (FRTIB), the independent agency that administers the TSP. If you are directed to any other hostname claiming to be the TSP login, treat it as suspicious. The official site does not require you to pay a fee to access your account.

Key Indicators of a Legitimate TSP Login Page

• URL begins with https://www.tsp.gov and uses a valid public certificate
• No payment or wire instructions are requested at login
• No urgent language demanding immediate action or threatening account closure
• You are already enrolled through your agency or the TSP and are using an agency-provided device or known personal device

Account Requirements and Eligibility

To use tsp.gov login, you must first be eligible and have an established account. Eligibility varies by employment status and service type.

How to Use the tsp.gov Login Flow

Follow these steps from a secure, trusted device and network. Do not share your credentials or one-time codes with anyone, including TSP representatives.

1. Open your browser and type www.tsp.gov directly or use a bookmark you created yourself.
2. Click Login and enter your username and password.
3. Complete multi-factor authentication with your registered device, such as a text message code or authentication app.
4. Review your dashboard, update contact information, and manage elections if needed.

Password and Authentication Rules

Your TSP account requires a strong password and at least one form of multi-factor authentication. Passwords must meet complexity requirements and should be changed periodically. If you cannot access your registered device, use the account recovery options provided during enrollment or contact TSP customer service for assistance.

Security Best Practices

Protect your account and personal information by following established security hygiene. Treat your username and password like other sensitive financial credentials.

• Use a unique password not reused on other sites
• Enable multi-factor authentication with a method you control
• Log out when you finish your session, especially on shared devices
• Be cautious of emails or messages asking you to click a login link
• Check the URL before entering credentials to ensure it is https://www.tsp.gov

Common Issues and Troubleshooting

Several non-critical issues can block login attempts. Diagnose these before contacting support.

Forgot Username or Password

Use the Forgot Username or Forgot Password links on the login page to reset or retrieve your credentials. You will be prompted to verify your identity, often through security questions or recovery contact methods.

Account Locked or Suspended

After multiple failed attempts, the system may temporarily lock your account. Wait or follow the unlock instructions, and ensure you are using the real tsp.gov domain.

Multi-Factor Authentication Not Working

• Confirm your registered phone number or email is correct
• Check that your device time is accurate
• Ensure you have cellular data or Wi-Fi to receive codes
• Try an alternate second factor if available

Support and Additional Resources

If you cannot resolve issues using self-service tools, contact TSP directly through official channels.

• Phone: 877-968-3778 (TTY 800-434-0207)
• Website: www.tsp.gov
• Hours: Generally Monday through Friday, 8:00 a.m. to 7:00 p.m. ET

Protect Your Retirement Data

The TSP holds long-term retirement savings and sensitive personal information. Only use tsp.gov login on secure devices, avoid public computers, and monitor your account regularly. Treat unexpected login requests or changes to your account with skepticism and verify them through official channels.

Summary: Key Facts at a Glance