Doritos Nacho Cheese Tortilla Chips. Flavored tortilla chips. Guaranteed fresh until printed date or this snack's on us. Questions or comments Weekdays 9:00AM to 4:30PM central time 1-800-352-4477. Please provide product name, bag size, date, price and numbers found below price for each package. Visit our website@fritolay.com. www.doritos.com. 2005 Frito-Lay North America, Inc.