Home Postcode finder NSW Dumaresq Dumaresq postcode NSW Dumaresq is a locality in New South Wales covered by postcode 2350. Postcode 2350 State or territory New South Wales (NSW) Region NSW North Coast Add a free Dumaresq business listing Be the first listing in Dumaresq Common questionsWhat is the postcode for Dumaresq?Dumaresq, NSW has the postcode 2350.What state is Dumaresq in?Dumaresq is in New South Wales (NSW).Does postcode 2350 cover more than one suburb?Yes. Postcode 2350 covers 25 localities, so the postcode alone does not identify Dumaresq. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.