Mendota Twp Supervisor 1005 Main St Mendota, IL 61342 Phone : (815) 539-6820 Business Category Government Offices-City Village & Twp Legislative Bodies Mendota Township Of--supervisors Ofc Mendota, IL 61342 Phone : (815) 539-6820 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools