I have to mail in my tax return but did in see any first page with details of addresses to mail the return to

This is a known problem and is estimated to be corrected by 02/22/2025.

Go to this IRS website for the federal tax return mailing address, by state, with and without a tax payment - https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment