The W1A 4SY 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 1985-04 and terminated on 1995-07.
| Name | Type |
|---|---|
| OA21CD | E00024137 |
| LSOA21CD | E01004762 |
| MSOA21CD | E02000970 |
| MSOA21 | Marylebone & Park Lane |
| Postcode Area | W1A |
| Ward | West End |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.15535080813013008, 51.513411053726834 ] |