Home Postcode finder NSWRV Mount Keira Mount Keira postcode NSWRV Mount Keira is a locality in New South Wales covered by postcode 2500. Postcode 2500 State or territory New South Wales (NSWRV) Region Illawarra Add a free Mount Keira business listing Be the first listing in Mount Keira Common questionsWhat is the postcode for Mount Keira?Mount Keira, NSWRV has the postcode 2500.What state is Mount Keira in?Mount Keira is in New South Wales (NSWRV).Does postcode 2500 cover more than one suburb?Yes. Postcode 2500 covers 11 localities, so the postcode alone does not identify Mount Keira. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.