The W1Y 3AF postcode was located in Westminster, Westminster postcode town, within London, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1994-12 and terminated on 2000-07.
| Name | Type |
|---|---|
| OA21CD | E00175218 |
| LSOA21CD | E01004762 |
| MSOA21CD | E02000970 |
| MSOA21 | Marylebone & Park Lane |
| Postcode Area | W1Y |
| Ward | West End |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.15714915588285244, 51.511703772845095 ] |