Home Postcode finder NSW Mandemar Mandemar postcode NSW Mandemar is a locality in New South Wales covered by postcode 2575. Postcode 2575 State or territory New South Wales (NSW) Region Ingleburn Add a free Mandemar business listing Be the first listing in Mandemar Common questionsWhat is the postcode for Mandemar?Mandemar, NSW has the postcode 2575.What state is Mandemar in?Mandemar is in New South Wales (NSW).Does postcode 2575 cover more than one suburb?Yes. Postcode 2575 covers 19 localities, so the postcode alone does not identify Mandemar. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.