| Country | France (FR) |
| UN/LOCODE | POI |
| Name | Poissy |
| Name Without Diacritics | Poissy |
| Region | 78 |
| Function Code | -2------ |
| Function | Rail |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4856N 00203E |
| Latitude Longitude | 48.929, 2.0495 |