Looking for a bank in O'Fallon, MO? The Ofallon K & N branch is located on the corner of Highway K and Highway N, near Schnucks in St. Charles County. Anywhere you find a Regions Bank office in MO, you'll find knowledgeable professionals to help you take your next step while providing exceptional customer service and financial guidance. They can provide you with a full range of product and services to meet your financial needs, including check cashing1 and/or Western Union money transfers. Plus with our extensive ATM network, Online Banking and Mobile Banking2, you can bank conveniently in MO or just about anywhere else. Make an appointment today to learn more.