The HP1 3DH 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 1994-05 and terminated on 1997-07.
| Name | Type |
|---|---|
| OA21CD | E00118665 |
| LSOA21CD | E01023355 |
| MSOA21CD | E02004861 |
| MSOA21 | Northchurch & Potten End |
| Postcode Area | HP1 |
| Ward | Ashridge |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.5227615891387964, 51.78297579327045 ] |