Frongoch is a village in Gwynedd, Wales.
It is situated within the LL23 postcode district, which is within the Bala post town.
LL23 is the only postcode district within the Bala post town.
The Bala post town is within the Llandudno postcode area.
Administrative Ward: Llandderfel
Administrative District: Gwynedd
Country: Wales
UK Parliament: Dwyfor Meirionnydd