The SG1 4SN postcode was located in Stevenage, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1993-01 and terminated on 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00120853 |
| LSOA21CD | E01023800 |
| MSOA21CD | E02004945 |
| MSOA21 | Woodfield & Old Town |
| Postcode Area | SG1 |
| Ward | Woodfield |
| LTLA22 | Stevenage |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.21715378678377104, 51.92260966297809 ] |