The TN21 1AU postcode was located in Wealden, East Sussex postcode town, within South East, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 2007-06 and terminated on 2007-07.
| Name | Type |
|---|---|
| OA21CD | E00107647 |
| LSOA21CD | E01021191 |
| MSOA21CD | E02004412 |
| MSOA21 | Heathfield |
| Postcode Area | TN21 |
| Ward | Heathfield North |
| LTLA22 | Wealden |
| UTLA22 | East Sussex |
| Region | South East |
| Country | England |
| Co-ordinates | [ 0.25130135557005373, 50.97130352590158 ] |