The LL54 6LL postcode was located in Gwynedd, Gwynedd postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Small User postcode introduced in 1993-08 and terminated on 1997-07.
| Name | Type |
|---|---|
| OA21CD | W00000581 |
| LSOA21CD | W01000112 |
| MSOA21CD | W02000017 |
| MSOA21 | Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle |
| Postcode Area | LL54 |
| Ward | Llanllyfni |
| LTLA22 | Gwynedd |
| UTLA22 | Gwynedd |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.266484239124844, 53.057131794461526 ] |