Home Postcode finder NSW Dumaresq Valley Dumaresq Valley postcode NSW Dumaresq Valley is a locality in New South Wales covered by postcode 2372. Postcode 2372 State or territory New South Wales (NSW) Region NSW North Coast Add a free Dumaresq Valley business listing Be the first listing in Dumaresq Valley Common questionsWhat is the postcode for Dumaresq Valley?Dumaresq Valley, NSW has the postcode 2372.What state is Dumaresq Valley in?Dumaresq Valley is in New South Wales (NSW).Does postcode 2372 cover more than one suburb?Yes. Postcode 2372 covers 22 localities, so the postcode alone does not identify Dumaresq Valley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.