| Country | United Kingdom (GB) |
| UN/LOCODE | MYW |
| Name | Maesycwmmer |
| Name Without Diacritics | Maesycwmmer |
| Region | CAY |
| Function Code | 123--6-- |
| Function | Port, Rail, Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 601 |
| Timezone | Europe/London |
| Location (UN Format) | 5138N 00314W |
| Latitude Longitude | 51.6353, -3.2322 |