The WA9 1SD postcode was located in St. Helens, St. Helens postcode town, within North West, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1984-02 and terminated on 1985-12.
| Name | Type |
|---|---|
| OA21CD | E00034862 |
| LSOA21CD | E01006877 |
| MSOA21CD | E02001417 |
| MSOA21 | Town Centre West |
| Postcode Area | WA9 |
| Ward | St Helens Town Centre |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.7393703178088007, 53.454863335458704 ] |