Home Postcode finder NSW Mumblebone Plain Mumblebone Plain postcode NSW Mumblebone Plain is a locality in New South Wales covered by postcode 2824. Postcode 2824 State or territory New South Wales (NSW) Region NSW Country West Add a free Mumblebone Plain business listing Be the first listing in Mumblebone Plain Common questionsWhat is the postcode for Mumblebone Plain?Mumblebone Plain, NSW has the postcode 2824.What state is Mumblebone Plain in?Mumblebone Plain is in New South Wales (NSW).Does postcode 2824 cover more than one suburb?Yes. Postcode 2824 covers 15 localities, so the postcode alone does not identify Mumblebone Plain. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.