The SA1 1NN postcode was located in Swansea, Swansea postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 2010-05.
| Name | Type |
|---|---|
| OA21CD | W00010365 |
| LSOA21CD | W01001955 |
| MSOA21CD | W02000192 |
| MSOA21 | Central Swansea |
| Postcode Area | SA1 |
| Ward | Castle |
| LTLA22 | Swansea |
| UTLA22 | Swansea |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.941777748281198, 51.6234677018509 ] |