The SW1A 0AS postcode was located in Westminster, Westminster postcode town, within London, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1994-05 and terminated on 2000-06.
| Name | Type |
|---|---|
| OA21CD | E00023945 |
| LSOA21CD | E01004733 |
| MSOA21CD | E02000979 |
| MSOA21 | Central Westminster |
| Postcode Area | SW1A |
| Ward | St James's |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.12466269008656737, 51.49984025516512 ] |