Home Postcode finder WA Nalkain Nalkain postcode WA Nalkain is a locality in Western Australia covered by postcode 6485. Postcode 6485 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Nalkain business listing Be the first listing in Nalkain Common questionsWhat is the postcode for Nalkain?Nalkain, WA has the postcode 6485.What state is Nalkain in?Nalkain is in Western Australia (WA).Does postcode 6485 cover more than one suburb?Yes. Postcode 6485 covers 5 localities, so the postcode alone does not identify Nalkain. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.