The WA11 9TT 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 1980-01 and terminated on 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00034681 |
| LSOA21CD | E01006840 |
| MSOA21CD | E02001410 |
| MSOA21 | Haydock East |
| Postcode Area | WA11 |
| Ward | Haydock |
| LTLA22 | St. Helens |
| UTLA22 | St. Helens |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.665867110904496, 53.473273017947214 ] |