The WA9 3YN postcode was located in St. Helens, St. Helens postcode town, within North West, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 1995-07.
| Name | Type |
|---|---|
| OA21CD | E00034717 |
| LSOA21CD | E01006847 |
| MSOA21CD | E02001425 |
| MSOA21 | Sutton Leach |
| Postcode Area | WA9 |
| Ward | Sutton North West |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.7133800901652796, 53.43165079909174 ] |