Home Postcode finder NSW Mallabula Mallabula postcode NSW Mallabula is a locality in New South Wales covered by postcode 2319. Postcode 2319 State or territory New South Wales (NSW) Region Hunter Add a free Mallabula business listing Be the first listing in Mallabula Common questionsWhat is the postcode for Mallabula?Mallabula, NSW has the postcode 2319.What state is Mallabula in?Mallabula is in New South Wales (NSW).Does postcode 2319 cover more than one suburb?Yes. Postcode 2319 covers 4 localities, so the postcode alone does not identify Mallabula. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.