What is the sales tax in zip code 37405? - The sales tax in zip code 37405 in Chattanooga, Tennessee is 9.75% as of 2025. Use the 37405 sales tax rate calculator to calculate the sales tax for any purchase in 37405.
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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 |
|---|---|---|---|---|---|---|---|
| Hamilton | Tennessee | Chattanooga | 37405 | 7% | 0% | 2.75% | 9.75% |