The SW1P 3AX 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 1990-07 and terminated on 1991-12.
| Name | Type |
|---|---|
| OA21CD | E00175226 |
| LSOA21CD | E01004731 |
| MSOA21CD | E02000979 |
| MSOA21 | Central Westminster |
| Postcode Area | SW1P |
| Ward | St James's |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.12994107516244974, 51.500419132277834 ] |