Home Postcode finder NSW Mimosa Mimosa postcode NSW Mimosa is a locality in New South Wales covered by postcode 2666. Postcode 2666 State or territory New South Wales (NSW) Region Canberra Add a free Mimosa business listing Be the first listing in Mimosa Common questionsWhat is the postcode for Mimosa?Mimosa, NSW has the postcode 2666.What state is Mimosa in?Mimosa is in New South Wales (NSW).Does postcode 2666 cover more than one suburb?Yes. Postcode 2666 covers 14 localities, so the postcode alone does not identify Mimosa. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.