| Country | France (FR) |
| UN/LOCODE | RTF |
| Name | TrefflÈan |
| Name Without Diacritics | Trefflean |
| Region | 56 |
| Function Code | -----6-- |
| Function | Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 1001 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4741N 00237W |
| Latitude Longitude | 47.6815, -2.6139 |