Home Postcode finder WA Collins Collins postcode WA Collins is a locality in Western Australia covered by postcode 6260. Postcode 6260 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Collins business listing Be the first listing in Collins Common questionsWhat is the postcode for Collins?Collins, WA has the postcode 6260.What state is Collins in?Collins is in Western Australia (WA).Does postcode 6260 cover more than one suburb?Yes. Postcode 6260 covers 10 localities, so the postcode alone does not identify Collins. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.