The SG1 3SN 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 1987-04 and terminated on 1990-12.
| Name | Type |
|---|---|
| OA21CD | E00120734 |
| LSOA21CD | E01023777 |
| MSOA21CD | E02004945 |
| MSOA21 | Woodfield & Old Town |
| Postcode Area | SG1 |
| Ward | Old Town |
| LTLA22 | Stevenage |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.1970224176429942, 51.91690787247198 ] |