Rock Falls Police Department 1013 7th Ave Rock Falls, IL 61071 Phone : (815) 622-1140 Rock Falls Police Department Business Category Police Departments Police--rock Falls Sterling, IL 61081 Phone : (815) 622-1140 Business Category Rock Falls City Of--police Dept Sterling, IL 61081 Phone : (815) 622-1140 Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools