ABA routing numbers are 9 digits. There is no well defined standard for the length of US bank account numbers. The NACHA standard file format defines the account number as up to 17 digits. In my drawer I have checks from different banks with

**8 digit**and 10 digit account numbers.Furthermore, how many numbers are there in a account number?

There are two sets of

**nine**digit numbers printed across the bottom of every check. They are followed by a four digit number slightly set off from the others. The first two sets of numbers are your bank routing and checking account numbers; these remain the same from one check to the next.What is an account number on a check?

Find the

**Routing Number**on a Check. At the bottom of a check, you will see three groups of numbers. The first group is your**routing number**, the second is your account number and the third is your check number.How many numbers are in a Woodforest account number?

Woodforest National Bank's Routing Numbers. You will find Woodforest's ABA routing and/or transit number located at the bottom of your checks and deposit slips. Starting from the bottom left numbers, the routing number is the first

**nine digits**.