Longdowns is a village in Cornwall, England.
It is situated within the TR10 postcode district, which is within the Penryn post town.
TR10 is the only postcode district within the Penryn post town.
The Penryn post town is within the Truro postcode area.
Administrative Ward: Stithians
Administrative District: Cornwall
Country: England
UK Parliament: Camborne and Redruth
NHS Local Health Authority: South West
NHS Region: Southern