The WA10 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 Small User postcode introduced in 1980-01 and terminated on 1999-06.
| Name | Type |
|---|---|
| OA21CD | E00034851 |
| LSOA21CD | E01006872 |
| MSOA21CD | E02001419 |
| MSOA21 | Town Centre East & Fingerpost |
| Postcode Area | WA10 |
| Ward | St Helens Town Centre |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.7374068243810643, 53.45366200113271 ] |