The AL9 5SG 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 1981-06 and terminated on 1990-12.
| Name | Type |
|---|---|
| OA21CD | E00121678 |
| LSOA21CD | E01035608 |
| MSOA21CD | E02007092 |
| MSOA21 | Welham Green |
| Postcode Area | AL9 |
| Ward | Welham Green and Hatfield South |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.2070799713697993, 51.73722161867496 ] |