The W1S 3AY 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 2000-10 and terminated on 2000-10.
| Name | Type |
|---|---|
| OA21CD | E00175196 |
| LSOA21CD | E01035716 |
| MSOA21CD | E02000972 |
| MSOA21 | Fitzrovia West & Soho |
| Postcode Area | W1S |
| Ward | West End |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.14157817933772682, 51.510801630681875 ] |