Tremadog is a village in Gwynedd, Wales.
It is situated within the LL49 postcode district, which is within the Porthmadog post town.
LL49 is the only postcode district within the Porthmadog post town.
The Porthmadog post town is within the Llandudno postcode area.
Administrative Ward: Porthmadog-Tremadog
Administrative District: Gwynedd
Country: Wales
UK Parliament: Dwyfor Meirionnydd