If you are in Ohio you mail the Federal to the Fresno, CA address if you are not sending a payment with it. Or to Cincinnati for all other Federal returns. See,
https://www.irs.gov/filing/ohio-where-to-file-addresses-for-taxpayers-and-tax-professionals
That is only for Federal. IRS and Treasury are only for Federal returns.
Here is Ohio state mailing addresses
https://www.tax.ohio.gov/other/mailingaddresses.aspx
