Home Postcode finder NSW Cambra Cambra postcode NSW Cambra is a locality in New South Wales covered by postcode 2420. Postcode 2420 State or territory New South Wales (NSW) Region Hunter Add a free Cambra business listing Be the first listing in Cambra Common questionsWhat is the postcode for Cambra?Cambra, NSW has the postcode 2420.What state is Cambra in?Cambra is in New South Wales (NSW).Does postcode 2420 cover more than one suburb?Yes. Postcode 2420 covers 23 localities, so the postcode alone does not identify Cambra. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.