Home Postcode finder WA Cartmeticup Cartmeticup postcode WA Cartmeticup is a locality in Western Australia covered by postcode 6316. Postcode 6316 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Cartmeticup business listing Be the first listing in Cartmeticup Common questionsWhat is the postcode for Cartmeticup?Cartmeticup, WA has the postcode 6316.What state is Cartmeticup in?Cartmeticup is in Western Australia (WA).Does postcode 6316 cover more than one suburb?Yes. Postcode 6316 covers 6 localities, so the postcode alone does not identify Cartmeticup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.