Home Postcode finder WA Needilup Needilup postcode WA Needilup is a locality in Western Australia covered by postcode 6336. Postcode 6336 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Needilup business listing Be the first listing in Needilup Common questionsWhat is the postcode for Needilup?Needilup, WA has the postcode 6336.What state is Needilup in?Needilup is in Western Australia (WA).Does postcode 6336 cover more than one suburb?Yes. Postcode 6336 covers 6 localities, so the postcode alone does not identify Needilup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.