| Place Name | Post Mills |
| Place Type | Unincorporated |
| ZIP Code(s) | 05058 |
| County | Orange County |
| Area Code(s) | 802 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Lebanon, NH-VT |
| State House Districts | Windsor-Orange-2 |
| State Senate Districts | Windsor |