What is the sales tax in zip code 87402? - The sales tax in zip code 87402 in Farmington, New Mexico is 8.1875% as of 2025. Use the 87402 sales tax rate calculator to calculate the sales tax for any purchase in 87402.
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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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| San Juan | New Mexico | Farmington | 87402 | 4.875% | 3.3125% | 0% | 8.1875% |