Get your taxes done using TurboTax

You don't have to fill in an address for the 1099-INT, just the name of the payer, "US Treasury" and the amount in box 1. 

Here is how to enter that in TurboTax:

1. Select Federal on the left side menu.
2. Select Wages and Income toward the upper left.
3. Scroll down, or expand the list and find Interest and Dividends.
4. Expand that section and find Interest on 1099-INT.
5. Click on Start to the right.
6. Answer the first question Yes.
7. Click Continue.
8. Click on Change how I enter my form in the lower right corner.
9. Select Type it in myself.
10. Fill in the first box with  "US Treasury".
11. Put the amount of interest in box 1
12. Click Continue.
13. Select None of these apply, and click Continue.