The HA4 9YJ 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 1999-06 and terminated on 2000-07.
| Name | Type |
|---|---|
| OA21CD | E00012076 |
| LSOA21CD | E01002419 |
| MSOA21CD | E02000499 |
| MSOA21 | Eastcote |
| Postcode Area | HA4 |
| Ward | Eastcote |
| LTLA22 | Hillingdon |
| UTLA22 | Hillingdon |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.39820238694872495, 51.57057224755984 ] |