Gwithian is a village in Cornwall, England.
It is situated within the TR27 postcode district, which is within the Hayle post town.
TR27 is the only postcode district within the Hayle post town.
The Hayle post town is within the Truro postcode area.
Administrative Ward: Gwinear-Gwithian and St Erth
Administrative District: Cornwall
Country: England
UK Parliament: Camborne and Redruth
NHS Local Health Authority: South West
NHS Region: Southern