Home Postcode finder WA Warrenup Warrenup postcode WA Warrenup is a locality in Western Australia covered by postcode 6330. Postcode 6330 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Warrenup business listing Be the first listing in Warrenup Common questionsWhat is the postcode for Warrenup?Warrenup, WA has the postcode 6330.What state is Warrenup in?Warrenup is in Western Australia (WA).Does postcode 6330 cover more than one suburb?Yes. Postcode 6330 covers 50 localities, so the postcode alone does not identify Warrenup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.