Home Postcode finder WA Trigwell Trigwell postcode WA Trigwell is a locality in Western Australia covered by postcode 6244. Postcode 6244 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Trigwell business listing Be the first listing in Trigwell Common questionsWhat is the postcode for Trigwell?Trigwell, WA has the postcode 6244.What state is Trigwell in?Trigwell is in Western Australia (WA).Does postcode 6244 cover more than one suburb?Yes. Postcode 6244 covers 8 localities, so the postcode alone does not identify Trigwell. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.