What is the sales tax in zip code 37664? - The sales tax in zip code 37664 in Kingsport, Tennessee is 9.5% as of 2025. Use the 37664 sales tax rate calculator to calculate the sales tax for any purchase in 37664.
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Sullivan | Tennessee | Kingsport | 37664 | 7% | 0.25% | 2.25% | 9.5% |