Keller, WA ZIP code
The ZIP code for Keller, Washington is 99140. It is in Ferry County.
- Population in these ZIPs
- 486
- Avg. median income
- $53,500population-weighted
- Typical home value
- $140,700population-weighted
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Keller, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99140 | 486 | $53,529 | $140,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Keller
- Inchelium 14 mi
- Coulee Dam 15 mi
- Elmer City 16 mi
- Lincoln 19 mi
- Nespelem 22 mi
- Fruitland 24 mi
- Grand Coulee 24 mi
- Electric City 24 mi
- Hunters 25 mi
- Wilbur 27 mi
- Gifford 28 mi
- Almira 29 mi
Frequently asked questions
What is the ZIP code for Keller, WA?
The ZIP code for Keller, WA is 99140.
What county is Keller, Washington in?
Keller ZIP codes are in Ferry County.