It’s easy and free to Sign up for Kellogg’s Family Rewards™. Then you can enter codes, collect points, and earn awesome rewards and family fun! You’ll also receive the latest and greatest benefits from Kellogg, like exclusive savings, great-tasting recipes, and special offers and promotions. To sign up all you need to do is click on the Kellogg’s coupon banner below and you will go to the rewards signup page. Be sure to check out all the great rewards once you signup. There are eve high value coupons as rewards.