List of Dunkin' Donuts Stores in Columbia, CT Outlet Note Regular Brands Dunkin' Donuts Connecticut Columbia 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 - Columbia 221 Willimantic Rd (860) 228-0192 People Also Viewed