The LL42 1SY postcode was located in Gwynedd, Gwynedd postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Large User postcode introduced in 1980-01 and terminated on 1996-12.
| Name | Type |
|---|---|
| OA21CD | W00000245 |
| LSOA21CD | W01002004 |
| MSOA21CD | W02000025 |
| MSOA21 | Barmouth & Dolgellau |
| Postcode Area | LL42 |
| Ward | Abermaw |
| LTLA22 | Gwynedd |
| UTLA22 | Gwynedd |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.044632478740137, 52.720398562205624 ] |