| Country | England |
|---|---|
| UK region | North West |
| Postcode area | WA |
| Unitary Authority | Warrington |
Birchwood postcode districts
Birchwood has 1 postcode district
| Country | England |
|---|---|
| UK region | North West |
| Postcode area | WA |
| Unitary Authority | Warrington |
Birchwood has 1 postcode district