Home Postcode finder WA Karridale Karridale postcode WA Karridale is a locality in Western Australia covered by postcode 6288. Postcode 6288 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Karridale business listing More business listings in Karridale Businesses in KarridaleKarridale Primary SchoolBussell Hwy · 08 97585517 Common questionsWhat is the postcode for Karridale?Karridale, WA has the postcode 6288.What state is Karridale in?Karridale is in Western Australia (WA).Does postcode 6288 cover more than one suburb?Yes. Postcode 6288 covers 7 localities, so the postcode alone does not identify Karridale. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.