Website: https://www.dnbfirst.com/index_2.php?page=Online-Banking Address: 4 Brandywine Ave, Downingtown, PA 19335 Phone: 888-683-1183 Apply for free online banking with DNB First. For over 150 years, DNB First has been helping individuals and businesses reach their financial goals. As the oldest national bank in the Philadelphia region, we’re committed to helping build businesses, dreams, and stronger communities for us all. With free online banking you can easily transfer funds between accounts on the go, check balances, and even apply for loans. Bring the bank right to you anytime with DNB First Online Banking. This convenient and free online banking service allows you to bank online and manage money – 24 hours a day, seven days a week.