Home Postcode finder WA Mount Romance Mount Romance postcode WA Mount Romance is a locality in Western Australia covered by postcode 6333. Postcode 6333 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Mount Romance business listing Be the first listing in Mount Romance Common questionsWhat is the postcode for Mount Romance?Mount Romance, WA has the postcode 6333.What state is Mount Romance in?Mount Romance is in Western Australia (WA).Does postcode 6333 cover more than one suburb?Yes. Postcode 6333 covers 17 localities, so the postcode alone does not identify Mount Romance. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.