The SG12 9YH postcode was located in East Hertfordshire, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1999-04 and terminated on 2000-10.
| Name | Type |
|---|---|
| OA21CD | E00119200 |
| LSOA21CD | E01023468 |
| MSOA21CD | E02004895 |
| MSOA21 | Hertford Heath & Stanstead St Margarets |
| Postcode Area | SG12 |
| Ward | Great Amwell |
| LTLA22 | East Hertfordshire |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.01468492343685648, 51.797973899397775 ] |