Open 7 Days a Week! Welcome to the FRONTIER CAFE The Reunion of Food and Family FULL MENU Breakfast Lunch Dinner Serving Breakfast All Day! 831 Main St., Grinnell, IA (641) 236-0630 Open 7 Days a Week ! Welcome to the FRONTIER CAFE The Reunion of Food and Family FULL MENU Breakfast Lunch Dinner Serving Breakfast All Day ! 831 Main St. , Grinnell , IA ( 641 ) 236-0630