| Country | Wales |
|---|---|
| UK region | Wales |
| Postcode area | CH |
| Unitary Authority | Flintshire |
Treuddyn postcode districts
Treuddyn has 1 postcode district
Treuddyn postcode sectors
Treuddyn has 1 postcode sector
| Country | Wales |
|---|---|
| UK region | Wales |
| Postcode area | CH |
| Unitary Authority | Flintshire |
Treuddyn has 1 postcode district
Treuddyn has 1 postcode sector