The AL9 5ZY 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 2000-06 and terminated on 2001-04.
| Name | Type |
|---|---|
| OA21CD | E00121496 |
| LSOA21CD | E01023926 |
| MSOA21CD | E02004990 |
| MSOA21 | Hatfield East |
| Postcode Area | AL9 |
| Ward | Hatfield East |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.21228473918511997, 51.76717264820975 ] |