Home Postcode finder NSW Coneac Coneac postcode NSW Coneac is a locality in New South Wales covered by postcode 2422. Postcode 2422 State or territory New South Wales (NSW) Region Hunter Add a free Coneac business listing Be the first listing in Coneac Common questionsWhat is the postcode for Coneac?Coneac, NSW has the postcode 2422.What state is Coneac in?Coneac is in New South Wales (NSW).Does postcode 2422 cover more than one suburb?Yes. Postcode 2422 covers 45 localities, so the postcode alone does not identify Coneac. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.