The SG4 8SJ postcode was located in North Hertfordshire, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1992-01 and terminated on 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00119837 |
| LSOA21CD | E01023595 |
| MSOA21CD | E02004923 |
| MSOA21 | Knebworth, Codicote & Kimpton |
| Postcode Area | SG4 |
| Ward | Codicote |
| LTLA22 | North Hertfordshire |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.24476991878352106, 51.84839221334946 ] |