Home Postcode finder WA Nornalup Nornalup postcode WA Nornalup 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 Nornalup business listing Be the first listing in Nornalup Common questionsWhat is the postcode for Nornalup?Nornalup, WA has the postcode 6333.What state is Nornalup in?Nornalup 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 Nornalup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.