The HA4 6BL 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 1995-12 and terminated on 1996-12.
| Name | Type |
|---|---|
| OA21CD | E00012290 |
| LSOA21CD | E01002469 |
| MSOA21CD | E02000503 |
| MSOA21 | Ruislip Gardens |
| Postcode Area | HA4 |
| Ward | Ruislip Manor |
| LTLA22 | Hillingdon |
| UTLA22 | Hillingdon |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.4141992934669397, 51.57114918214888 ] |