Can I set up Quickbooks Online to calculate FUTA before we get our state account number?

Thank you for posting here in the Community, @faith-lampson-ad.

Yes.

If you want to add employee to your payroll, you might want to give this page a visit.

You can also refer to this article about how to set up employees and payroll taxes in a new state.

Let me know in the comment section if you have any other questions or concerns. I’ll get back to answer them for you. Keep safe!