Lanark City Of--police Dept Lanark, IL 61046 Phone : (815) 493-6931 Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools Police--lanark Lanark, IL 61046 Phone : (815) 493-6931 Business Category Lanark Police Department 111 S Boyd St Lanark, IL 61046 Phone : (815) 493-6931 Business Category Police Departments