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Benton ZIP Codes — Washington (WA)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Benton City | Benton | Washington | WA | 99320 |
| Kennewick | Benton | Washington | WA | 99336 |
| Kennewick | Benton | Washington | WA | 99337 |
| Kennewick | Benton | Washington | WA | 99338 |
| Paterson | Benton | Washington | WA | 99345 |
| Plymouth | Benton | Washington | WA | 99346 |
| Prosser | Benton | Washington | WA | 99350 |
| Richland | Benton | Washington | WA | 99352 |
| West Richland | Benton | Washington | WA | 99353 |
| Richland | Benton | Washington | WA | 99354 |
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