The AL6 9DD 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 1992-08 and terminated on 1994-12.
| Name | Type |
|---|---|
| OA21CD | E00173259 |
| LSOA21CD | E01023969 |
| MSOA21CD | E02004981 |
| MSOA21 | Welwyn & Hatfield Garden Village |
| Postcode Area | AL6 |
| Ward | Welwyn West |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.25438000296521296, 51.82515621347043 ] |