You can move money into your TSP account from other eligible retirement plans, such as a 401(k) or 403(b). Consolidating your accounts can make it easier for you to track and manage your retirement nest egg, as well as simplify things for your beneficiaries.
To transfer your money, you can take advantage of the TSP’s rollover concierge service, or you can handle the request on your own by using the self-service option in your TSP account.
For more information, see Move Money into the TSP on the TSP website or contact the TSP Service Office at 1-877-968-3778 during Monday – Friday, 7:00 a.m. to 9:00 p.m. ET.