Rustington is a village in West Sussex, England.
It is situated within the BN16 postcode district, which is within the Littlehampton post town.
The full list of postcode districts within the Littlehampton post town is as follows:
The Littlehampton post town is within the Brighton postcode area.
Administrative Ward: Rustington East
Administrative District: Arun
Administrative County: West Sussex
Country: England
UK Parliament: Worthing West
NHS Local Health Authority: South East Coast
NHS Region: Southern