Home Postcode finder NSWDL Seahampton Seahampton postcode NSWDL Seahampton is a locality in New South Wales covered by postcode 2286. Postcode 2286 State or territory New South Wales (NSWDL) Region Hunter Add a free Seahampton business listing Be the first listing in Seahampton Common questionsWhat is the postcode for Seahampton?Seahampton, NSWDL has the postcode 2286.What state is Seahampton in?Seahampton is in New South Wales (NSWDL).Does postcode 2286 cover more than one suburb?Yes. Postcode 2286 covers 3 localities, so the postcode alone does not identify Seahampton. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.