Llanrhian is a village in Pembrokeshire, Wales.
It is situated within the SA62 postcode district, which is within the Haverfordwest post town.
The full list of postcode districts within the Haverfordwest post town is as follows:
The Haverfordwest post town is within the Swansea postcode area.
Administrative Ward: Llanrhian
Administrative District: Pembrokeshire
Country: Wales
UK Parliament: Preseli Pembrokeshire