| Country | France (FR) |
| UN/LOCODE | ERS |
| Name | Erquinghem-le-Sec |
| Name Without Diacritics | Erquinghem-le-Sec |
| Region | 59 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 207 |
| Timezone | Europe/Paris |
| Location (UN Format) | 5037N 00255E |
| Latitude Longitude | 50.6134, 2.9319 |