| LL77 7YH information | |
|---|---|
| Postcode | LL77 7YH |
| Outward code | LL77 |
| Place | Llangefni |
| Name | Place | Postcode |
|---|---|---|
| Avallon, Llangefni | Llangefni | LL77 7YH |
| Cei Bach, Llangefni | Llangefni | LL77 7YH |
| Hyfrydle, Llangefni | Llangefni | LL77 7YH |
| Tyddyn Cefn, Llangefni | Llangefni | LL77 7YH |
| Ystum Werddon, Llangefni | Llangefni | LL77 7YH |