Home Postcode finder NSW Balmain Balmain postcode NSW Balmain is a locality in New South Wales covered by postcode 2041. Postcode 2041 State or territory New South Wales (NSW) Region Alexandria Add a free Balmain business listing More business listings in Balmain Businesses in BalmainArt Of The Flower1/49 Mullens Street · (02) 9555 1129Balmain DVD Express2-189 · (02) 9810 7543Balmain Lilyfield Montessori School44 Smith St · 02 95557803 Common questionsWhat is the postcode for Balmain?Balmain, NSW has the postcode 2041.What state is Balmain in?Balmain is in New South Wales (NSW).Does postcode 2041 cover more than one suburb?Yes. Postcode 2041 covers 3 localities, so the postcode alone does not identify Balmain. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.