| Country | United Kingdom (GB) |
| UN/LOCODE | ATM |
| Name | Atcham |
| Name Without Diacritics | Atcham |
| Region | SHR |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 901 |
| Timezone | Europe/London |
| Location (UN Format) | 5241N 00240W |
| Latitude Longitude | 52.6796, -2.6797 |