Winnebago Correctional Center 4300 N Sherman Rd Winnebago, WI 54985 Phone : (920) 424-0402 Business Category Correctional Institutions Wisconsin State Of--corrections Department Of, Winnebago Correctional Center Oshkosh, WI 54901 Phone : (920) 424-0402 Business Category Government Offices-Federal Government Offices-State Government Offices State & Local Government Offices & Public Schools