Milledgeville City Of--offices Milledgeville, IL 61051 Phone : (815) 225-7231 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Milledgeville City Offices 344 N Main Ave Milledgeville, IL 61051 Phone : (815) 225-7231 Business Category Government Offices-City Village & Twp Legislative Bodies