Grantsdale is an unincorporated community in Ravalli County, Montana, United States. Grantsdale is located near U.S. Route 93 and Montana Highway 38, 3 miles (4.8 km) south of Hamilton. The community had a post office until October 29, 1988; it retains its own ZIP code, 59835.[2][3]
Initially called Skalkaho Creek, the town became Grantsdale in about 1888 after H. H. Grant, the town's founder.[4]
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| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 59840 | Grantsdale | MT | 46.20353 | -114.14176 |