Home Postcode finder WA Quedjinup Quedjinup postcode WA Quedjinup is a locality in Western Australia covered by postcode 6281. Postcode 6281 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Quedjinup business listing Be the first listing in Quedjinup Common questionsWhat is the postcode for Quedjinup?Quedjinup, WA has the postcode 6281.What state is Quedjinup in?Quedjinup is in Western Australia (WA).Does postcode 6281 cover more than one suburb?Yes. Postcode 6281 covers 5 localities, so the postcode alone does not identify Quedjinup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.