Home Postcode finder WA Horrocks Horrocks postcode WA Horrocks is a locality in Western Australia covered by postcode 6535. Postcode 6535 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Horrocks business listing Be the first listing in Horrocks Common questionsWhat is the postcode for Horrocks?Horrocks, WA has the postcode 6535.What state is Horrocks in?Horrocks is in Western Australia (WA).Does postcode 6535 cover more than one suburb?Yes. Postcode 6535 covers 10 localities, so the postcode alone does not identify Horrocks. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.