Most bank account numbers are between eight and 12 digits, although yours could be as long as 17 digits. Check Number. To the right of the account number is the check number, ...

Bank account numbers are usually eight to 12 digits long. The routing number, on the other hand, will always be nine digits long and start with a 0, 1, 2, or 3.

You might know that Cash App is not a bank, but it does come with a bank account, thanks to its banking partners.As such, you will have access to a Cash App routing and account number. If you’re ...