The HA3 6NN postcode was located in Harrow, Harrow postcode town, within London, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1990-02 and terminated on 1991-12.
| Name | Type |
|---|---|
| OA21CD | E00010772 |
| LSOA21CD | E01002151 |
| MSOA21CD | E02000438 |
| MSOA21 | Hatch End South |
| Postcode Area | HA3 |
| Ward | Harrow Weald |
| LTLA22 | Harrow |
| UTLA22 | Harrow |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.35819442335255436, 51.603650063628365 ] |