Home Postcode finder WA Darradup Darradup postcode WA Darradup is a locality in Western Australia covered by postcode 6275. Postcode 6275 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Darradup business listing Be the first listing in Darradup Common questionsWhat is the postcode for Darradup?Darradup, WA has the postcode 6275.What state is Darradup in?Darradup is in Western Australia (WA).Does postcode 6275 cover more than one suburb?Yes. Postcode 6275 covers 10 localities, so the postcode alone does not identify Darradup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.