Manitowoc City Hall Auto 900 Quay St Manitowoc, WI 54220 Phone : (920) 686-6900 Business Category Government Offices & Public Schools Manitowoc City Of--city Hall Auto-attendant Manitowoc, WI 54220 Phone : (920) 686-6900 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools