The HP21 9DY postcode was located in Buckinghamshire, Buckinghamshire postcode town, within South East, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1988-03 and terminated on 1991-12.
| Name | Type |
|---|---|
| OA21CD | E00089270 |
| LSOA21CD | E01017690 |
| MSOA21CD | E02003670 |
| MSOA21 | Mandeville & Elm Farm |
| Postcode Area | HP21 |
| Ward | Aylesbury South East |
| LTLA22 | Buckinghamshire |
| UTLA22 | Buckinghamshire |
| Region | South East |
| Country | England |
| Co-ordinates | [ -0.806557294887482, 51.79608940680572 ] |