List of Dunkin' Donuts Stores in Harwinton, CT Outlet Note Regular Brands Dunkin' Donuts Connecticut Harwinton 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 - Harwinton 122 Litchfield Rd (860) 485-1429 People Also Viewed