What is the sales tax in zip code 63034? - The sales tax in zip code 63034 in Florissant, Missouri is 7.738% as of 2025. Use the 63034 sales tax rate calculator to calculate the sales tax for any purchase in 63034.
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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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| St. Louis | Missouri | Florissant | 63034 | 4.225% | 0% | 2.263% | 7.738% |