| Country | United Kingdom (GB) |
| UN/LOCODE | SMS |
| Name | South Marston |
| Name Without Diacritics | South Marston |
| Region | WIL |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 201 |
| Timezone | Europe/London |
| Location (UN Format) | 5135N 00143W |
| Latitude Longitude | 51.5892, -1.7194 |