Home Postcode finder NSW Warrumbungle Warrumbungle postcode NSW Warrumbungle is a locality in New South Wales covered by postcode 2828. Postcode 2828 State or territory New South Wales (NSW) Region NSW Country West Add a free Warrumbungle business listing Be the first listing in Warrumbungle Common questionsWhat is the postcode for Warrumbungle?Warrumbungle, NSW has the postcode 2828.What state is Warrumbungle in?Warrumbungle is in New South Wales (NSW).Does postcode 2828 cover more than one suburb?Yes. Postcode 2828 covers 7 localities, so the postcode alone does not identify Warrumbungle. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.