| Country | France (FR) |
| UN/LOCODE | RCQ |
| Name | Marcq |
| Name Without Diacritics | Marcq |
| Region | 78 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4852N 00149E |
| Latitude Longitude | 49.3209, 4.9247 |