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