Home Postcode finder NSW Mount Aquila Mount Aquila postcode NSW Mount Aquila is a locality in New South Wales covered by postcode 2820. Postcode 2820 State or territory New South Wales (NSW) Region NSW Country West Add a free Mount Aquila business listing Be the first listing in Mount Aquila Common questionsWhat is the postcode for Mount Aquila?Mount Aquila, NSW has the postcode 2820.What state is Mount Aquila in?Mount Aquila is in New South Wales (NSW).Does postcode 2820 cover more than one suburb?Yes. Postcode 2820 covers 25 localities, so the postcode alone does not identify Mount Aquila. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.