Home Postcode finder NSW Norfolk Island Norfolk Island postcode NSW Norfolk Island is a locality in New South Wales covered by postcode 2899. Postcode 2899 State or territory New South Wales (NSW) Region Burwood Add a free Norfolk Island business listing More business listings in Norfolk Island Businesses in Norfolk IslandNorfolk Island Central SchoolCnr Cascade & Collins Head · 2323000 Common questionsWhat is the postcode for Norfolk Island?Norfolk Island, NSW has the postcode 2899.What state is Norfolk Island in?Norfolk Island is in New South Wales (NSW).Does postcode 2899 cover more than one suburb?No. Postcode 2899 covers Norfolk Island only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.