The W1Y 3AN 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 1998-06 and terminated on 2000-07.
| Name | Type |
|---|---|
| OA21CD | E00175206 |
| LSOA21CD | E01035718 |
| MSOA21CD | E02000978 |
| MSOA21 | Knightsbridge, Belgravia & Hyde Park |
| Postcode Area | W1Y |
| Ward | Knightsbridge & Belgravia |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.15643477273056738, 51.50940845312885 ] |