The W1A 1AY 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 1990-02 and terminated on 2000-11.
| Name | Type |
|---|---|
| OA21CD | E00023837 |
| LSOA21CD | E01004713 |
| MSOA21CD | E02000970 |
| MSOA21 | Marylebone & Park Lane |
| Postcode Area | W1A |
| Ward | Marylebone |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.1481921391175514, 51.51863978973746 ] |