Home Postcode finder NSW Mulbring Mulbring postcode NSW Mulbring is a locality in New South Wales covered by postcode 2323. Postcode 2323 State or territory New South Wales (NSW) Region Hunter Add a free Mulbring business listing More business listings in Mulbring Businesses in MulbringMulbring Public SchoolWater St · 02 49380135 Common questionsWhat is the postcode for Mulbring?Mulbring, NSW has the postcode 2323.What state is Mulbring in?Mulbring is in New South Wales (NSW).Does postcode 2323 cover more than one suburb?Yes. Postcode 2323 covers 14 localities, so the postcode alone does not identify Mulbring. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.