The HA4 9HY 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 1994-12 and terminated on 1995-07.
| Name | Type |
|---|---|
| OA21CD | E00012057 |
| LSOA21CD | E01002416 |
| MSOA21CD | E02000501 |
| MSOA21 | Ruislip Manor |
| Postcode Area | HA4 |
| Ward | South Ruislip |
| LTLA22 | Hillingdon |
| UTLA22 | Hillingdon |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.39281837962504146, 51.5636645959431 ] |