Home Postcode finder NSW Brimbin Brimbin postcode NSW Brimbin is a locality in New South Wales covered by postcode 2430. Postcode 2430 State or territory New South Wales (NSW) Region Hunter Add a free Brimbin business listing Be the first listing in Brimbin Common questionsWhat is the postcode for Brimbin?Brimbin, NSW has the postcode 2430.What state is Brimbin in?Brimbin is in New South Wales (NSW).Does postcode 2430 cover more than one suburb?Yes. Postcode 2430 covers 39 localities, so the postcode alone does not identify Brimbin. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.