List of Denny's Stores in Effingham, IL Outlet Note Regular Brands Denny's Illinois Effingham Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Effingham 1307 N Keller Dr (217) 342-4543 Denny's outlet - Effingham 1701 W Evergreen Ave (217) 347-0102 People Also Viewed