| Country | France (FR) |
| UN/LOCODE | NYM |
| Name | Saint-Jean-sur-Mayenne |
| Name Without Diacritics | Saint-Jean-sur-Mayenne |
| Region | 53 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1101 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4808N 00045W |
| Latitude Longitude | 48.1352, -0.7561 |