The SG4 0AY 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 1991-01 and terminated on 1992-12.
| Name | Type |
|---|---|
| OA21CD | E00119944 |
| LSOA21CD | E01023619 |
| MSOA21CD | E02004919 |
| MSOA21 | Hitchin Walsworth |
| Postcode Area | SG4 |
| Ward | Hitchin Walsworth |
| LTLA22 | North Hertfordshire |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.2623096817375416, 51.958352906697485 ] |