Banks in Illinois
FNBO is the great big small bank with 13 branch locations serving the Yorkville, Sandwich, Oswego, Sugar Grove, Dekalb, Sycamore, Huntley, Lake of the Hills, Marengo, Belvidere and Harvard communities in Illinois. Ranked “Highest in Customer Satisfaction with Retail Banking in the Midwest” by J.D. Power1, named a MONEY Best Bank in the Midwest2 and one of Forbes Best Banks in America3, our focus has always been community first. Whether you’re looking to open a checking account, buying a home or financing your business we’re here to help. We want to show you why we're considered one of the best bank in Illinois. Visit an Illinois bank branch today.