You’ll find Stouffer's® Rewards PIN codes on specially-marked packages of Stouffer's® products. Every package also has a UPC code on it.
Stouffer's® Lean Cuisine entrées
Stouffer's® Bistro Panini
Stouffer's® Bistro Crustini
Where’s the PIN code located?
The PIN is printed on the inside of the box.
Where’s the UPC code located?
The UPC code is printed on the outside of the box.