Llangynllo is a village in Powys, Wales.
It is situated within the LD7 postcode district, which is within the Knighton post town.
LD7 is the only postcode district within the Knighton post town.
The Knighton post town is within the Llandrindod Wells postcode area.
Administrative Ward: Llangunllo
Administrative District: Powys
Country: Wales
UK Parliament: Brecon and Radnorshire