You can also find a Capital One bank account number on a check. Navy Federal account numbers. Navy Federal Credit Union account numbers are around 10 digits long.

Key Takeaways. The routing and account numbers on a check are specific numerical sequences that help money travel to the right place. A routing number identifies the bank or credit union.

A bank's routing number is a nine-digit number associated with a particular bank, while your account number is explicitly assigned to your account within a bank.

You can find the routing number on the form's bottom left-hand corner if you have a check. You can distinguish the routing number from an account number because the former starts with a "0", "1 ...