Grundy County Executive 68 Cumberland St Altamont, TN 37301 Phone : (931) 692-3718 Business Category Government Offices-County Legislative Bodies Grundy County Of--executive 68 Cumberland Dr Mc Minnville, TN 37110 Phone : (931) 692-3718 Business Category Government Offices & Public Schools Grundy County--county Executive Altamont, TN 37301 Phone : (931) 692-3718 Business Category Government Offices-County Government Offices & Public Schools