The LL57 3WB 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 1995-01 and terminated on 1996-06.
| Name | Type |
|---|---|
| OA21CD | W00000257 |
| LSOA21CD | W01000050 |
| MSOA21CD | W02000012 |
| MSOA21 | Bethesda |
| Postcode Area | LL57 |
| Ward | Arllechwedd |
| LTLA22 | Gwynedd |
| UTLA22 | Gwynedd |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.093445368632779, 53.21224560991928 ] |