The W1X 3AA 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 1994-05 and terminated on 2000-07.
| Name | Type |
|---|---|
| OA21CD | E00024113 |
| LSOA21CD | E01004761 |
| MSOA21CD | E02000977 |
| MSOA21 | Strand, St James & Mayfair |
| Postcode Area | W1X |
| Ward | West End |
| LTLA22 | Westminster |
| UTLA22 | Westminster |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.1416883060645409, 51.509157746327034 ] |