Looking for a bank in Columbia, TN? The Carmack branch is located at the intersection of Carmack Boulevard and Polk Street in Maury County. Regions Bank has knowledgeable professionals to help you take your next step while providing exceptional customer service and financial guidance. Regions has 237 branches and 338 ATMs across TN that can offer you a full range of personal deposits, loans and credit lines, business services, insurance, investment products and more. You can also take advantage of Regions services without an account, such as check cashing and/or Western Union money transfer.