The HA6 3SN 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 1990-02 and terminated on 1991-12.
| Name | Type |
|---|---|
| OA21CD | E00012316 |
| LSOA21CD | E01002477 |
| MSOA21CD | E02000494 |
| MSOA21 | Ducks Hill |
| Postcode Area | HA6 |
| Ward | Northwood |
| LTLA22 | Hillingdon |
| UTLA22 | Hillingdon |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.42135832307407745, 51.6144077594317 ] |