Home Postcode finder WA Mcalinden Mcalinden postcode WA Mcalinden is a locality in Western Australia covered by postcode 6225. Postcode 6225 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Mcalinden business listing Be the first listing in Mcalinden Common questionsWhat is the postcode for Mcalinden?Mcalinden, WA has the postcode 6225.What state is Mcalinden in?Mcalinden is in Western Australia (WA).Does postcode 6225 cover more than one suburb?Yes. Postcode 6225 covers 18 localities, so the postcode alone does not identify Mcalinden. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.