Home Postcode finder WA Kalgup Kalgup postcode WA Kalgup is a locality in Western Australia covered by postcode 6280. Postcode 6280 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Kalgup business listing Be the first listing in Kalgup Common questionsWhat is the postcode for Kalgup?Kalgup, WA has the postcode 6280.What state is Kalgup in?Kalgup is in Western Australia (WA).Does postcode 6280 cover more than one suburb?Yes. Postcode 6280 covers 34 localities, so the postcode alone does not identify Kalgup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.