Home Postcode finder WA Rockingham Beach Rockingham Beach postcode WA Rockingham Beach is a locality in Western Australia covered by postcode 6168. Postcode 6168 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Rockingham Beach business listing More business listings in Rockingham Beach Businesses in Rockingham BeachSmartline Mortgage Brokers RockinghamRockingham WA, Australia · (08) 9527 1800Star of the Sea Primary SchoolSwinstone St · 08 95271588 Common questionsWhat is the postcode for Rockingham Beach?Rockingham Beach, WA has the postcode 6168.What state is Rockingham Beach in?Rockingham Beach is in Western Australia (WA).Does postcode 6168 cover more than one suburb?Yes. Postcode 6168 covers 7 localities, so the postcode alone does not identify Rockingham Beach. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.