What is the sales tax in zip code 70402? - The sales tax in zip code 70402 in Hammond, Louisiana is 10.5% as of 2025. Use the 70402 sales tax rate calculator to calculate the sales tax for any purchase in 70402.
70402 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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| Tangipahoa | Louisiana | Hammond | 70402 | 5% | 5.5% | 0% | 10.5% |