The W4 3AX postcode was located in Hounslow, Hounslow 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 2008-01.
| Name | Type |
|---|---|
| OA21CD | E00012856 |
| LSOA21CD | E01002580 |
| MSOA21CD | E02000533 |
| MSOA21 | Chiswick South West |
| Postcode Area | W4 |
| Ward | Chiswick Riverside |
| LTLA22 | Hounslow |
| UTLA22 | Hounslow |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.2852332503059797, 51.48994237863209 ] |