The HP4 3ZG 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 2004-02 and terminated on 2005-07.
| Name | Type |
|---|---|
| OA21CD | E00118952 |
| LSOA21CD | E01023416 |
| MSOA21CD | E02004861 |
| MSOA21 | Northchurch & Potten End |
| Postcode Area | HP4 |
| Ward | Northchurch |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.5995939899048852, 51.772289807839115 ] |