| Country | United Kingdom (GB) |
| UN/LOCODE | SIK |
| Name | Southwick |
| Name Without Diacritics | Southwick |
| Region | WIL |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 701 |
| Timezone | Europe/London |
| Location (UN Format) | 5117N 00215W |
| Latitude Longitude | 54.9187, -1.402 |