| Place Name | Millstone |
| Place Type | Unincorporated |
| ZIP Code(s) | 25261 |
| County | Calhoun County |
| Area Code(s) | 304,681 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| US Congressional District(s) | West Virginia 1st |
| House of Delegates Districts | 62 |
| State Senate Districts | 12 |