Where is product lot code? March 22, 2022 14:06 Updated ' The lot code or batch code is located on the front of the bag and is below the freshness date. Related articles Where is the UPC code? What is the freshness date of the product? Are your chips baked or fried? The product in my pantry is past the date printed on the package. Is it still safe to use? Why can't I find my favorite snack in the store?