Home Postcode finder NSW Leonay Leonay postcode NSW Leonay is a locality in New South Wales covered by postcode 2750. Postcode 2750 State or territory New South Wales (NSW) Region Nepean Add a free Leonay business listing More business listings in Leonay Businesses in LeonayBallard's Plumbing Pty Ltd5 Bunyan Rd, Leonay NSW 2750, Australia · 0424907358Nicole Celeban63 Parklands Ave · 02 4727 7292 Common questionsWhat is the postcode for Leonay?Leonay, NSW has the postcode 2750.What state is Leonay in?Leonay is in New South Wales (NSW).Does postcode 2750 cover more than one suburb?Yes. Postcode 2750 covers 8 localities, so the postcode alone does not identify Leonay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.