The SG1 4QN 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 1981-06 and terminated on 2016-12.
| Name | Type |
|---|---|
| OA21CD | E00189341 |
| LSOA21CD | E01035568 |
| MSOA21CD | E02004944 |
| MSOA21 | St Nicholas |
| Postcode Area | SG1 |
| Ward | St Nicholas |
| LTLA22 | Stevenage |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.1708089691158745, 51.92253694594922 ] |