Henllan is a village in Ceredigion, Wales.
It is situated within the SA44 postcode district, which is within the Llandysul post town.
SA44 is the only postcode district within the Llandysul post town.
The Llandysul post town is within the Swansea postcode area.
Administrative Ward: Llandyfriog
Administrative District: Ceredigion
Country: Wales
UK Parliament: Ceredigion