Home Postcode finder WA Isseka Isseka postcode WA Isseka is a locality in Western Australia covered by postcode 6535. Postcode 6535 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Isseka business listing Be the first listing in Isseka Common questionsWhat is the postcode for Isseka?Isseka, WA has the postcode 6535.What state is Isseka in?Isseka is in Western Australia (WA).Does postcode 6535 cover more than one suburb?Yes. Postcode 6535 covers 10 localities, so the postcode alone does not identify Isseka. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.