Trematon is a village in Cornwall, England.
It is situated within the PL12 postcode district, which is within the Saltash post town.
PL12 is the only postcode district within the Saltash post town.
The Saltash post town is within the Plymouth postcode area.
Administrative Ward: Saltash Burraton
Administrative District: Cornwall
Country: England
UK Parliament: South East Cornwall
NHS Local Health Authority: South West
NHS Region: Southern