What is the sales tax in zip code 73450? - The sales tax in zip code 73450 in Milburn, Oklahoma is 8.5% as of 2025. Use the 73450 sales tax rate calculator to calculate the sales tax for any purchase in 73450.
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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 |
|---|---|---|---|---|---|---|---|
| Johnston | Oklahoma | Milburn | 73450 | 4.5% | 2% | 2% | 8.5% |