TurboTax uses the official IRS address published by the IRS. If UPS cannot track it then that is an issue to take up with UPS.
Here is the IRS address list:
https://www.irs.gov/filing/where-to-file-addresses-for-taxpayers-and-tax-professionals-filing-form-1...
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
