Old National Bank DeKalb Banking & InvestmentsFinancial Advisors Mortgage Old National Bank DeKalb Visit Website 2290 DeKalb Avenue DeKalb , IL 60115 (815) 895-2125 LinkedIn Facebook About About At First Midwest Bank, we provide more than just solutions. We provide momentum. For your business. Your finances. Your life. Consider the bank with energy, ideas, and resources.