The HA1 3YN 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 1993-01 and terminated on 1999-06.
| Name | Type |
|---|---|
| OA21CD | E00010710 |
| LSOA21CD | E01002134 |
| MSOA21CD | E02000461 |
| MSOA21 | Harrow-on-the-Hill |
| Postcode Area | HA1 |
| Ward | Harrow on the Hill |
| LTLA22 | Harrow |
| UTLA22 | Harrow |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.3360925221544299, 51.567522956520456 ] |