Home Postcode finder NSW Wollangambe Wollangambe postcode NSW Wollangambe is a locality in New South Wales covered by postcode 2790. Postcode 2790 State or territory New South Wales (NSW) Region NSW Country West Add a free Wollangambe business listing Be the first listing in Wollangambe Common questionsWhat is the postcode for Wollangambe?Wollangambe, NSW has the postcode 2790.What state is Wollangambe in?Wollangambe is in New South Wales (NSW).Does postcode 2790 cover more than one suburb?Yes. Postcode 2790 covers 40 localities, so the postcode alone does not identify Wollangambe. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.