Llangelynnin is a village in Gwynedd, Wales.
It is situated within the LL37 postcode district, which is within the Llwyngwril post town.
LL37 is the only postcode district within the Llwyngwril post town.
The Llwyngwril post town is within the Llandudno postcode area.
Administrative Ward: Llangelynin
Administrative District: Gwynedd
Country: Wales
UK Parliament: Dwyfor Meirionnydd