Home Postcode finder WA Wilga Wilga postcode WA Wilga is a locality in Western Australia covered by postcode 6243. Postcode 6243 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Wilga business listing Be the first listing in Wilga Common questionsWhat is the postcode for Wilga?Wilga, WA has the postcode 6243.What state is Wilga in?Wilga is in Western Australia (WA).Does postcode 6243 cover more than one suburb?Yes. Postcode 6243 covers 2 localities, so the postcode alone does not identify Wilga. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.