The HP3 9YN postcode was located in Dacorum, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 2003-07 and terminated on 2003-11.
| Name | Type |
|---|---|
| OA21CD | E00118810 |
| LSOA21CD | E01023386 |
| MSOA21CD | E02004874 |
| MSOA21 | Corner Hall |
| Postcode Area | HP3 |
| Ward | Apsley and Corner Hall |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.4649913032550032, 51.741062230605735 ] |