The AL7 4WL 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 2002-06 and terminated on 2006-05.
| Name | Type |
|---|---|
| OA21CD | E00173220 |
| LSOA21CD | E01035607 |
| MSOA21CD | E02004988 |
| MSOA21 | Hollybush |
| Postcode Area | AL7 |
| Ward | Hollybush |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.20523091279447175, 51.7842400039869 ] |