Home Postcode finder WA Toompup Toompup postcode WA Toompup 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 Toompup business listing Be the first listing in Toompup Common questionsWhat is the postcode for Toompup?Toompup, WA has the postcode 6336.What state is Toompup in?Toompup 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 Toompup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.