Member Directory Member Directory Member Directory Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi U Back to Search Results: 1 University of Missouri Extension in Jefferson County University of Missouri Extension in Jefferson County 301 3rd. Street P.O. Box 497, Hillsboro, MO 63050 (636) 797-5055 Send Email Visit Website More Details Powered By GrowthZone