| Country | France (FR) |
| UN/LOCODE | O3N |
| Name | Onnion |
| Name Without Diacritics | Onnion |
| Region | 74 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1501 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4611N 00629E |
| Latitude Longitude | 46.1733, 6.4777 |