The WN4 0UN 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 1998-12 and terminated on 2002-03.
| Name | Type |
|---|---|
| OA21CD | E00034521 |
| LSOA21CD | E01006808 |
| MSOA21CD | E02001408 |
| MSOA21 | Garswood |
| Postcode Area | WN4 |
| Ward | Billinge & Seneley Green |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.6691912641097906, 53.4930293831991 ] |