Plains, MT ZIP code
The ZIP code for Plains, Montana is 59859. It is in Sanders County.
- Population in these ZIPs
- 4,360
- Avg. median income
- $64,800population-weighted
- Typical home value
- $460,600population-weighted
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Plains, MT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 59859 | 4,360 | $64,846 | $460,600 |
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 Plains
- Paradise 10 mi
- Lonepine 14 mi
- Hot Springs 16 mi
- Saint Regis 20 mi
- Thompson Falls 24 mi
- Dixon 27 mi
- Elmo 27 mi
- Charlo 28 mi
- Huson 29 mi
- Superior 29 mi
- Polson 31 mi
- De Borgia 31 mi
Frequently asked questions
What is the ZIP code for Plains, MT?
The ZIP code for Plains, MT is 59859.
What county is Plains, Montana in?
Plains ZIP codes are in Sanders County.