Please look at below links. The FED IRS address depends on whether you are sending payment or not:
https://www.irs.gov/uac/where-to-file-paper-tax-returns-with-or-without-a-payment
And here's Utah information:
Utah State Tax Commission; 210 north 1950 West; Salt Lake City, Utah 84134
http://tax.utah.gov/forms/current/tc-40inst.pdf
