Dunkin’ Donuts is one of America’s favorite all-day, everyday stop for coffee and baked goods. Dunkin’ Donuts is a market leader in the regular/decaf coffee, iced coffee, hot flavored coffee, donut, bagel and muffin categories. Dunkin’ Donuts has earned the No. 1 ranking for customer loyalty in the coffee category by Brand Keys for six years running. The company has more than 10,000 restaurants in 33 countries worldwide. Receive email updates on the latest offers from DD Perks Rewards. By joining, you’ll enjoy a free medium beverage of your choice and another one on your birthday. Free medium beverage of choice includes any iced or hot coffee, tea or latte, hot chocolate or Coolatta. View other printable coupons and deals.