Discover Sycamore Chamber of Commerce Discover Sycamore Visit Website 519 West State Street Sycamore, IL 60178 (815) 895-3456 (815) 895-0125 (fax) Facebook Twitter Hours: 8:30 a.m. to 4:30 p.m -- Monday through Friday About About This is a division of the Sycamore Chamber that links businesses to the community and beyond through marketing, tourism and events. We target your market, find your niche and help you succeed.