The WA11 9YZ 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 2002-06 and terminated on 2003-06.
| Name | Type |
|---|---|
| OA21CD | E00034741 |
| LSOA21CD | E01006853 |
| MSOA21CD | E02001409 |
| MSOA21 | Moss Bank |
| Postcode Area | WA11 |
| Ward | Moss Bank |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.729356996494708, 53.46547761057374 ] |