NOTICE: Effective February 1, 2025 our Johnson office will be closed on Saturdays. The Auburn Branch will continue to be open 8:30 am to 12:00 pm.
104905881
The First National Bank of Johnson’s routing number is 104905881.
Also called the American Bankers Association Routing Transit Number (ABA RTN), the nine-digit routing number is an electronic address for bank transactions within the United States.
If you have any questions about the routing number, your account number or other details about your account, just ask!