The HP3 9YS postcode was located in Dacorum, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1999-12 and terminated on 2004-04.
| Name | Type |
|---|---|
| OA21CD | E00189327 |
| LSOA21CD | E01033023 |
| MSOA21CD | E02004873 |
| MSOA21 | Boxmoor & Apsley |
| Postcode Area | HP3 |
| Ward | Apsley and Corner Hall |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.4724268658935623, 51.743910610040075 ] |