What is the mailing address for the federal tax return for refund?

If you selected to print and mail your 2023 tax return instead of e-filing, the Filing Instructions page will have the mailing address for the tax return.

Once you have paid for the TurboTax online account, Click on Print Center on the left side of the online program screen.  Then click on Print, save or preview this year's return.

Where to mail federal paper returns
https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment