Home Postcode finder NSW Waterfall Waterfall postcode NSW Waterfall is a locality in New South Wales covered by postcode 2233. Postcode 2233 State or territory New South Wales (NSW) Region Illawarra Add a free Waterfall business listing More business listings in Waterfall Businesses in WaterfallHanrob Pet Hotels Heathcote1800 Princes Highway, Waterfall NSW, Australia · 1300426762Waterfall Public School15 Mckell Ave · 02 95209638 Common questionsWhat is the postcode for Waterfall?Waterfall, NSW has the postcode 2233.What state is Waterfall in?Waterfall is in New South Wales (NSW).Does postcode 2233 cover more than one suburb?Yes. Postcode 2233 covers 5 localities, so the postcode alone does not identify Waterfall. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.