| Country | United Kingdom (GB) |
| UN/LOCODE | LGI |
| Name | Llangefni |
| Name Without Diacritics | Llangefni |
| Region | AGY |
| Function Code | -23----- |
| Function | Rail, Road |
| Status Code | RL (Recognised Location) |
| Date | 501 |
| Timezone | Europe/London |
| Location (UN Format) | 5315N 00418W |
| Latitude Longitude | 53.2556, -4.3106 |