Humansville Library Mailing address:  P.O. Box 201, Humansville, MO 65674 Physical address: 101 S. Ohio, Humansville, MO 65674 (417) 754-2455 Hours of opperation: "We are excited to announce that we will be opening more hours at our branch libraries in HumansvilleMonday, Wednesday, Friday and Saturday 10:00am-5:00pm then Tuesday and Thursday 10:00-7:00pm. Stop by our branches and check out the great facilities that we have! Hours start September 1st, 2015."