What are the numbers on the bottom of a check?

The row of numbers located on the bottom of a check serve a few distinct purposes for both the individual account holder and the bank. These numbers typically designate, in order, the banks routing number (also known as the ABA number), the individual/business checking account number, and the check number. It is a good idea to be familiar with these numbers because they are often needed for a variety of purposes including: direct deposits, automatic payments, wire transfers, and other circumstances that require access to the funds in your bank account.

• Routing Number (ABA) – Usually a 9 digit number that identifies the bank where your funds are held. Typically the first number, from left to right, on the bottom of your checks.
• Account Number – Identifies the individual/business account. The second number and the one you will use the most.
• Check Number – Often the last of three numbers on the bottom of a check. Will also have a matching check number on the top right corner of most standard banking checks.

When checks are printed by the bank, they will often use a sophisticated magnetic ink that gives their electronic banking equipment the ability to read your check during processing and to prevent certain kinds of fraud.