The AL6 9DU 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 1980-01 and terminated on 1995-01.
| Name | Type |
|---|---|
| OA21CD | E00121704 |
| LSOA21CD | E01023970 |
| 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 | [ -0.21653110329298306, 51.828185101033405 ] |