The MK18 4ZN 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 1999-06 and terminated on 2000-10.
| Name | Type |
|---|---|
| OA21CD | E00089303 |
| LSOA21CD | E01017694 |
| MSOA21CD | E02003655 |
| MSOA21 | Marsh Gibbon, Steeple Claydon & Tingewick |
| Postcode Area | MK18 |
| Ward | Grendon Underwood |
| LTLA22 | Buckinghamshire |
| UTLA22 | Buckinghamshire |
| Region | South East |
| Country | England |
| Co-ordinates | [ -1.0341937497531648, 51.93304712860087 ] |