The SA1 3DU postcode was located in Swansea, Swansea 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 1985-12.
| Name | Type |
|---|---|
| OA21CD | W00010400 |
| LSOA21CD | W01000745 |
| MSOA21CD | W02000192 |
| MSOA21 | Central Swansea |
| Postcode Area | SA1 |
| Ward | Castle |
| LTLA22 | Swansea |
| UTLA22 | Swansea |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.9527870896400654, 51.617763651198274 ] |