| Country | Wales |
|---|---|
| UK region | Wales |
| Postcode area | SY |
| Unitary Authority | Powys |
Llanerfyl postcode districts
Llanerfyl has 1 postcode district
Llanerfyl postcode sectors
Llanerfyl has 1 postcode sector
| Country | Wales |
|---|---|
| UK region | Wales |
| Postcode area | SY |
| Unitary Authority | Powys |
Llanerfyl has 1 postcode district
Llanerfyl has 1 postcode sector