What is the sales tax in zip code 63090? - The sales tax in zip code 63090 in Washington, Missouri is 9.6% as of 2025. Use the 63090 sales tax rate calculator to calculate the sales tax for any purchase in 63090.
63090 Sales Tax Rate Calculator |
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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 |
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| Franklin | Missouri | Washington | 63090 | 4.225% | 2% | 2.25% | 9.6% |