Plains, MT
ZIP Codes in Plains, Montana
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 59859 | 4,115 | 47.5198, -114.7952 |
Plains has 1 ZIP code
ZIP Codes in Plains, Montana
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 59859 | 4,115 | 47.5198, -114.7952 |