You may also have to provide the bonds’ serial numbers. While paper savings bonds are less common than they once were, there are still some out there. And if you inherited an old paper savings ...

you can use the savings bond calculator provided by the Treasury Department. The calculator will ask you for the bond serial number and issue date, so you'll need to have that information handy.

Note that you do not need the serial number using this method. Click the “Calculate” button. If you successfully follow the steps above, you’ll find the value of your savings bond.