Mercantile Bank Address: 5211 Broadway St, Quincy, IL 62305 Phone: (217) 223-7300 Banks Other Businesses: State Street Bank & Trust Co at 4820 Broadway St, Quincy, IL 62305 Bank Of Springfield at 220 N 48th St, Quincy, IL 62305 Bank Of Quincy at 305 N 48th St, Quincy, IL 62305 Farmers Bank Of Liberty at 4134 Broadway St, Quincy, IL 62305