The HA3 5UN postcode was located in Harrow, Harrow postcode town, within London, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1997-08 and terminated on 2000-09.
| Name | Type |
|---|---|
| OA21CD | E00184397 |
| LSOA21CD | E01002181 |
| MSOA21CD | E02000452 |
| MSOA21 | Greenhill North |
| Postcode Area | HA3 |
| Ward | Marlborough |
| LTLA22 | Harrow |
| UTLA22 | Harrow |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.34402306680232236, 51.596257272535276 ] |