Obion County Of--agricultural Extension Service 302 S 3rd St Union City, TN 38261 Phone : (731) 885-3742 Business Category Government Offices-County Regulation Of Agricultural Marketing & Commodities Government Offices & Public Schools Obion County Of--county Agent 302 S 3rd St Union City, TN 38261 Phone : (731) 885-3742 Business Category Government Offices-County Legislative Bodies Government Offices & Public Schools