Barnham is a village in West Sussex, England.
It is situated within the PO22 postcode district, which is within the Bognor Regis post town.
The full list of postcode districts within the Bognor Regis post town is as follows:
The Bognor Regis post town is within the Portsmouth postcode area.
Administrative Ward: Barnham
Administrative District: Arun
Administrative County: West Sussex
Country: England
UK Parliament: Arundel and South Downs
NHS Local Health Authority: South East Coast
NHS Region: Southern