Home Postcode finder WA Nanson Nanson postcode WA Nanson is a locality in Western Australia covered by postcode 6532. Postcode 6532 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Nanson business listing Be the first listing in Nanson Common questionsWhat is the postcode for Nanson?Nanson, WA has the postcode 6532.What state is Nanson in?Nanson is in Western Australia (WA).Does postcode 6532 cover more than one suburb?Yes. Postcode 6532 covers 59 localities, so the postcode alone does not identify Nanson. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.