| Country | France (FR) |
| UN/LOCODE | M9T |
| Name | Montgeron |
| Name Without Diacritics | Montgeron |
| Region | 91 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1601 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4842N 00227E |
| Latitude Longitude | 48.7054, 2.4504 |