The AL10 9YY 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 1994-12 and terminated on 2001-08.
| Name | Type |
|---|---|
| OA21CD | E00190317 |
| LSOA21CD | E01033308 |
| MSOA21CD | E02004989 |
| MSOA21 | Hatfield North & West |
| Postcode Area | AL10 |
| Ward | Hatfield Villages |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.2446959976568156, 51.76403733520659 ] |