The W1N 3AJ 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 1980-01 and terminated on 2000-07.
| Name | Type |
|---|---|
| OA21CD | E00023817 |
| LSOA21CD | E01004716 |
| MSOA21CD | E02000970 |
| MSOA21 | Marylebone & Park Lane |
| Postcode Area | W1N |
| Ward | Marylebone |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.14602772905931172, 51.521537150615345 ] |