Home Postcode finder NSW Yellow Dam Yellow Dam postcode NSW Yellow Dam is a locality in New South Wales covered by postcode 2371. Postcode 2371 State or territory New South Wales (NSW) Region NSW North Coast Add a free Yellow Dam business listing Be the first listing in Yellow Dam Common questionsWhat is the postcode for Yellow Dam?Yellow Dam, NSW has the postcode 2371.What state is Yellow Dam in?Yellow Dam is in New South Wales (NSW).Does postcode 2371 cover more than one suburb?Yes. Postcode 2371 covers 9 localities, so the postcode alone does not identify Yellow Dam. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.