Home Postcode finder NSW Gundamulda Gundamulda postcode NSW Gundamulda is a locality in New South Wales covered by postcode 2347. Postcode 2347 State or territory New South Wales (NSW) Region NSW North Coast Add a free Gundamulda business listing Be the first listing in Gundamulda Common questionsWhat is the postcode for Gundamulda?Gundamulda, NSW has the postcode 2347.What state is Gundamulda in?Gundamulda is in New South Wales (NSW).Does postcode 2347 cover more than one suburb?Yes. Postcode 2347 covers 13 localities, so the postcode alone does not identify Gundamulda. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.