Hello there, rlewis31131.
In QuickBooks Desktop you can change your checking account's routing number for your direct deposit, you can follow the steps below:
To learn more about changing your direct deposit bank account information, feel free to check out this article.
If it's the routing number from your Chart of Accounts that you wanted to change, then you can follow the steps below:
You can learn more about editing an account in QuickBooks Desktop.
However, if you're trying to update your billing information, you can visit this article: Update billing for QuickBooks Desktop payroll subscription.
Don't hesitate to get back to me if you have other questions while managing your account information. I'd be happy to assist.