mount-keira postcode nswst Home ›› Postcode Finder ›› NSWST ›› Mount-Keira Mount Keira local listingsThe suburb of Mount Keira is located in NSW and has a postcode of 2500. Free mount keira business listing! Get the first free listing in mount keira! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.