The AL6 9ZN 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 1999-12 and terminated on 2001-05.
| Name | Type |
|---|---|
| OA21CD | E00121713 |
| LSOA21CD | E01023968 |
| 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 | [ -0.21723737813555716, 51.83235010395358 ] |