The SG3 6HZ postcode was located in Welwyn Hatfield, Hertfordshire postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1980-01 and terminated on 1981-12.
| Name | Type |
|---|---|
| OA21CD | E00121699 |
| LSOA21CD | E01023967 |
| MSOA21CD | E02004980 |
| MSOA21 | Woolmer Green, Oaklands & Digswell |
| Postcode Area | SG3 |
| Ward | Welwyn East |
| LTLA22 | Welwyn Hatfield |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ -0.18219633220930184, 51.85193780776734 ] |