About us: BOS is a bank and financial services provider with branches in Springfield, Chatham, Jacksonville, Quincy, Staunton ... , Glen Carbon, Swansea, and Shiloh, Illinois and Brentwood, Missouri. Visit our website for a full list of locations and hours. https://www.bankwithbos.com/locations.php Mission: Bank of Springfield, a progressive bank and financial information provider, is dedicated to building life-long relationships with our customers, employees and communities. Member FDIC. Equal Housing Lender. For your security, never post account information or your social security number on social media sites. Please call 1-877-698-3278 for assistance. read more