RIVER BANK & TRUST MILLBROOK · Branch Name:Millbrook · Service Type:Full Service Office · State & County:Alabama - Elmore · City or Town:Millbrook · Zip. FEATURES OF River Bank & Trust's MOBILE BANKING • Review account balances and transactions • Transfer funds between accounts • Pay bills**. Press down arrow to move through the drop down and press the tab key inside the drop down to go to the sub menus. River Bank and Trust. Personal. Checking.