The SG1 1YY 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 1995-07 and terminated on 1996-06.
| Name | Type |
|---|---|
| OA21CD | E00120776 |
| LSOA21CD | E01023786 |
| MSOA21CD | E02004954 |
| MSOA21 | Roebuck |
| Postcode Area | SG1 |
| Ward | Roebuck |
| LTLA22 | Stevenage |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.20507680794701938, 51.897248835731 ] |