| Place Name | Oneco |
| Place Type | Unincorporated |
| ZIP Code(s) | 06377 |
| County | Windham County |
| Area Code(s) | 860,959 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Worcester, MA-CT |
| US Congressional District(s) | Connecticut 2nd |
| State House Districts | 44 |
| State Senate Districts | 18 |