List of Dunkin' Donuts Stores in Riverhead, NY Outlet Note Regular Brands Dunkin' Donuts New York Riverhead Rating 4.7 based on 82 votes Official Website http://www.dunkindonuts.com/ Products Beverages Coffee Food Breakfast Sandwiches Iced Coffee Bakery NameAddressPhone Name/Address/Phone Dunkin' Donuts outlet - Riverhead 1051 Old Country Rd (631) 591-3820 People Also Viewed