The W1A 3SS 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 1998-06 and terminated on 1999-12.
| Name | Type |
|---|---|
| OA21CD | E00190455 |
| LSOA21CD | E01004765 |
| MSOA21CD | E02000972 |
| MSOA21 | Fitzrovia West & Soho |
| Postcode Area | W1A |
| Ward | West End |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.13882194276079773, 51.517610215661506 ] |