Doritos® Tortilla Chips Nacho Cheese. Guaranteed fresh. 140 Calories per pkg. Net Wt.1 oz. (28.3 g). Produced with genetic engineering. Questions or Comments Weekdays 9:00am to 4:30pm CT Call: 1-800-352-4477. Email or Chat at www.fritolay.com. © 2013 Frito-Lay North America, Inc.