Oconto County Of--oconto, Sheriffs Dept, Administration 301 Washington St Oconto, WI 54153 Phone : (920) 834-6919 Business Category Government Offices-County Sheriff Government Offices & Public Schools Oconto County Of--sheriffs Department, Civil Process Oconto, WI 54153 Phone : (920) 834-6919 Business Category Government Offices-County Government Offices & Public Schools Oconto County Of--sheriffs Dept, Administration Oconto, WI 54153 Phone : (920) 834-6919 Business Category Government Offices-County Government Offices & Public Schools