Home Postcode finder NSW Marshall Mount Marshall Mount postcode NSW Marshall Mount is a locality in New South Wales covered by postcode 2530. Postcode 2530 State or territory New South Wales (NSW) Region Illawarra Add a free Marshall Mount business listing More business listings in Marshall Mount Businesses in Marshall MountBluey's Dinkum FirewoodMarshall Mount NSW 2530, Australia · 0447 143 597 Common questionsWhat is the postcode for Marshall Mount?Marshall Mount, NSW has the postcode 2530.What state is Marshall Mount in?Marshall Mount is in New South Wales (NSW).Does postcode 2530 cover more than one suburb?Yes. Postcode 2530 covers 14 localities, so the postcode alone does not identify Marshall Mount. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.