The HP3 9YY 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 1996-06 and terminated on 1997-06.
| Name | Type |
|---|---|
| OA21CD | E00118914 |
| LSOA21CD | E01023407 |
| MSOA21CD | E02004877 |
| MSOA21 | Kings Langley |
| Postcode Area | HP3 |
| Ward | Kings Langley |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.4556146152509995, 51.72933089944715 ] |