| Country | France (FR) |
| UN/LOCODE | CDS |
| Name | Castelnau-d'EstrÈtefonds |
| Name Without Diacritics | Castelnau-d'Estretefonds |
| Region | 31 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 212 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4347N 00122E |
| Latitude Longitude | 43.7837, 1.359 |