Llandyrnog has a football team, and good road links to Denbigh and the main A541 road at Bodfari.
The main employer is the ACC Llandyrnog Creamery on the outskirts of the village which mostly produces hard pressed and cheddar cheese.
Llandyrnog has a local church-St. Tyrnog's and a small
Welsh-speaking chapel. There are also two pub restaurants, The Kinmel
Arms & The White Horse and a pub-the Golden Lion. In the heart of
the village there is also a small butchers shop and a Post Office.
Llandyrnog is the home to Llandyrnog RSC the only registered Glasgow
Rangers Supporters Club in North Wales, they meet for all away game in
the Golden Lion public house.
Llandyrnog also has a small primary school teaching through the medium of English.
The former Chest hospital at Llangwyfan is one mile (1.6 km) from
Llandyrnog, it is now a residential centre for adults with learning
disabilities.