Hamsey Green is a village in Surrey, England.
It is situated within the CR6 postcode district, which is within the Warlingham post town.
CR6 is the only postcode district within the Warlingham post town.
The Warlingham post town is within the Croydon postcode area.
Administrative Ward: Sanderstead
Administrative District: Croydon
Country: England
UK Parliament: Croydon South
NHS Local Health Authority: London
NHS Region: London