| Country | France (FR) |
| UN/LOCODE | MR9 |
| Name | Marcoussis |
| Name Without Diacritics | Marcoussis |
| Region | 91 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1001 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4838N 00214E |
| Latitude Longitude | 48.6403, 2.2386 |