The Tennessee's tax rate may change depending of the type of purchase. Some of the Tennessee tax type are: Consumers use, rental tax, sales tax, sellers use, lodgings tax and more. Please refer to the Tennessee website for more sales taxes information. Tennessee state rate(s) for 2020. 7% is the smallest possible tax rate (Denver, Tennessee) TNTAP: Filing a Sales Tax Return Watch this video to learn how to file your sales and use tax return while you are logged into your TNTAP account. March 18, 2019 19:08 On Oct. 1, online sales taxes arrived in 10 more states: Alabama, Illinois, Indiana, Kentucky, Michigan, Minnesota, New Jersey, North Dakota, Washington and Wisconsin. Colorado announced last month that it will begin requiring e-commerce businesses to collect sales taxes on Nov. 1, joining North Carolina.