The AL9 7DT postcode was located in Welwyn Hatfield, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1998-12 and terminated on 2020-11.
| Name | Type |
|---|---|
| OA21CD | E00121461 |
| LSOA21CD | E01023920 |
| MSOA21CD | E02004991 |
| MSOA21 | Hatfield Town |
| Postcode Area | AL9 |
| Ward | Hatfield Central |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.22625374776814122, 51.76426403133317 ] |