The SG6 3YY postcode was located in North Hertfordshire, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1998-06 and terminated on 2008-03.
| Name | Type |
|---|---|
| OA21CD | E00189367 |
| LSOA21CD | E01023644 |
| MSOA21CD | E02004916 |
| MSOA21 | Letchworth South West |
| Postcode Area | SG6 |
| Ward | Letchworth South West |
| LTLA22 | North Hertfordshire |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.22799161355278422, 51.97899904654665 ] |