Westham is a village in East Sussex, England.
It is situated within the BN24 postcode district, which is within the Pevensey post town.
BN24 is the only postcode district within the Pevensey post town.
The Pevensey post town is within the Brighton postcode area.
Administrative Ward: Pevensey and Westham
Administrative District: Wealden
Administrative County: East Sussex
Country: England
UK Parliament: Bexhill and Battle
NHS Local Health Authority: South East Coast
NHS Region: Southern