Home Postcode finder NSWDL Mount Murray Mount Murray postcode NSWDL Mount Murray is a locality in New South Wales covered by postcode 2577. Postcode 2577 State or territory New South Wales (NSWDL) Region Ingleburn Add a free Mount Murray business listing Be the first listing in Mount Murray Common questionsWhat is the postcode for Mount Murray?Mount Murray, NSWDL has the postcode 2577.What state is Mount Murray in?Mount Murray is in New South Wales (NSWDL).Does postcode 2577 cover more than one suburb?Yes. Postcode 2577 covers 30 localities, so the postcode alone does not identify Mount Murray. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.