Denny's is located at 1170 SE Bishop Blvd, Pullman, WA. This business specializes in Family Style Restaurants and has 1 review(s) with a star rating of 1.0. Denny's is open Mon, Open 24 hours; Tue, Open 24 hours; Wed, Open 24 hours; Thu, Open 24 hours; Fri, Open 24 hours; Sat, Open 24 hours; Sun, Open 24 hours and accepts American Express, Discover, Mastercard and Visa.