Home Postcode finder WA Carrolup Carrolup postcode WA Carrolup is a locality in Western Australia covered by postcode 6317. Postcode 6317 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Carrolup business listing Be the first listing in Carrolup Common questionsWhat is the postcode for Carrolup?Carrolup, WA has the postcode 6317.What state is Carrolup in?Carrolup is in Western Australia (WA).Does postcode 6317 cover more than one suburb?Yes. Postcode 6317 covers 14 localities, so the postcode alone does not identify Carrolup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.