The HA4 6YA postcode was located in Hillingdon, Hillingdon postcode town, within London, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1999-12 and terminated on 2001-02.
| Name | Type |
|---|---|
| OA21CD | E00012425 |
| LSOA21CD | E01002494 |
| MSOA21CD | E02000502 |
| MSOA21 | West Ruislip South |
| Postcode Area | HA4 |
| Ward | South Ruislip |
| LTLA22 | Hillingdon |
| UTLA22 | Hillingdon |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.41267049881882517, 51.56118320497481 ] |