Chillicothe Chamber of Commerce 514 Washington Street, P.O. Box 407, Chillicothe, MO 64601, 660-646-4050, Promotes and supports local businesses and industries in the Chillicothe area, plus provides relocation information. 

City of Chillicothe 715 Washington Street, Chillicothe, MO 64601, 660-646-2751, Provides information on local city services and local government offices including information on police, fire, and parks. more...