Generally, the routing number will be on the bottom left-hand corner of a check, while the bank account number will be more toward the bottom-middle of a check. Bank account numbers are usually ...

The bottom line of every bank check is preprinted with numbers that contain important information that the banking system uses to process checks and transfer funds between accounts.

Learn what a routing number on a check is, how to find it, and why it's crucial for banking transactions. Get the routing numbers of the biggest banks.