What is the sales tax in zip code 07840? - The sales tax in zip code 07840 in Hackettstown, New Jersey is 6.625% as of 2025. Use the 07840 sales tax rate calculator to calculate the sales tax for any purchase in 07840.
07840 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 |
|---|---|---|---|---|---|---|---|
| Warren | New Jersey | Hackettstown | 07840 | 6.625% | 0% | 0% | 6.625% |