Dunkin' Donuts is located at 31 Payne Blvd, Portland, CT. This business specializes in Bakeries and Coffee Houses. Dunkin' Donuts is open Mon, 5am-10pm; Tue, 5am-10pm; Wed, 5am-10pm; Thu, 5am-10pm; Fri, 5am-10pm; Sat, 5am-10pm; Sun, 5am-10pm and accepts All Major Credit Cards, American Express, Cash, Discover, Mastercard and Visa.