1. State of Iowa Highway Division 902 Ogan Ave, Grinnell, IA 50112 Coordinate: 41.72337,-92.7237 Phone: (641) 236-3014
2. State Of Iowa 5239 E 156th St S, Grinnell, IA 50112 Coordinate: 41.64421,-92.76807 Phone: (515) 281-3371