Cwm Penmachno is a village in Conwy County Borough, Wales.
It is situated within the LL24 postcode district, which is within the Betws-y-Coed post town.
LL24 is the only postcode district within the Betws-y-Coed post town.
The Betws-y-Coed post town is within the Llandudno postcode area.
Administrative Ward: Uwch Conwy
Administrative District: Conwy
Country: Wales
UK Parliament: Aberconwy