The AL7 4HH postcode was located in Welwyn Hatfield, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 2002-12 and terminated on 2022-06.
| Name | Type |
|---|---|
| OA21CD | E00190325 |
| LSOA21CD | E01023946 |
| MSOA21CD | E02004987 |
| MSOA21 | Hall Grove |
| Postcode Area | AL7 |
| Ward | Howlands |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.18404246059826984, 51.78332112891186 ] |