Cowan City Mayor 302 Cumberland St Decherd, TN 37324 Phone : (931) 967-5898 Business Category Government Offices & Public Schools Cowan City Of--mayors Office 302 Cumberland St W Cowan, TN 37318 Phone : (931) 967-5898 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools