The HP23 4SY 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 1990-07 and terminated on 1992-12.
| Name | Type |
|---|---|
| OA21CD | E00118990 |
| LSOA21CD | E01023426 |
| MSOA21CD | E02004857 |
| MSOA21 | Tring West & Long Marston |
| Postcode Area | HP23 |
| Ward | Tring West and Rural |
| LTLA22 | Dacorum |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.6630948640458632, 51.792747624569614 ] |