Plymouth, WA zip code
Plymouth, Washington uses one zip code: 99346. Most of it is in Benton County. Together these zip codes are home to about 198 people.
Zip codes
1
Population
198
All zips combined
Largest zip
99346
198 residents
Zip codes in Plymouth
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 99346 | 198 | $50,865 |