List of Denny's Stores in Dubuque, IA Outlet Note Regular Brands Denny's Iowa Dubuque Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Dubuque 3050 Asbury Rd (563) 557-0880 People Also Viewed