Home Postcode finder NSW Memagong Memagong postcode NSW Memagong is a locality in New South Wales covered by postcode 2594. Postcode 2594 State or territory New South Wales (NSW) Region Canberra Add a free Memagong business listing Be the first listing in Memagong Common questionsWhat is the postcode for Memagong?Memagong, NSW has the postcode 2594.What state is Memagong in?Memagong is in New South Wales (NSW).Does postcode 2594 cover more than one suburb?Yes. Postcode 2594 covers 13 localities, so the postcode alone does not identify Memagong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.