The routing number for Sunbelt is 265377633. There are two different numbers that work as your account number. If you need the number associated with your savings account, you will need your member number. This number is provided to you at account opening, normally written on a small card. If you are looking for your checking account number, you can find that information at the bottom of any of your checks. If you do not have access to either of these numbers, please visit your local branch to have a direct deposit form printed or contact our Account Services department at 601-649-7181option 2 (7:30am - 6:00pm M-F and 9am - 1pm Sat).