| Country | Wales |
|---|---|
| UK region | Wales |
| Postcode area | LL |
| Unitary Authority | Gwynedd |
Brithdir and Llanfachreth postcode districts
Brithdir and Llanfachreth has 1 postcode district
Brithdir and Llanfachreth postcode sectors
Brithdir and Llanfachreth has 1 postcode sector