Subway Address: 100 Highway 30 SE, Mount Vernon, IA 52314 Phone: (319) 895-6666 Nice to Know: Good For Kids Yes Other Details: Founded in 1965, the SUBWAY Restaurants, Subs & Sandwiches Other Businesses: Hardee's at 102 Highway 1 S, Mount Vernon, IA 52314 Caseys Carry Out Pizza at 323 Highway 30 SW, Mount Vernon, IA 52314 Dairy Queen at 100 Highway 30 SE, Mount Vernon, IA 52314 China Cafe at 100 Highway 30 SE, Mount Vernon, IA 52314 Pizza Palace at 106 1st St SW, Mount Vernon, IA 52314