Farmington, WA zip code
Farmington, Washington uses one zip code: 99128. Most of it is in Whitman County. Together these zip codes are home to about 259 people.
Zip codes
1
Population
259
All zips combined
Largest zip
99128
259 residents
Zip codes in Farmington
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 99128 | 259 | $58,942 |