Home Postcode finder WA Two Rocks Two Rocks postcode WA Two Rocks is a locality in Western Australia covered by postcode 6037. Postcode 6037 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Two Rocks business listing More business listings in Two Rocks Businesses in Two RocksTwo Rocks Primary School51 Resolute Dr · 08 95616888 Common questionsWhat is the postcode for Two Rocks?Two Rocks, WA has the postcode 6037.What state is Two Rocks in?Two Rocks is in Western Australia (WA).Does postcode 6037 cover more than one suburb?No. Postcode 6037 covers Two Rocks only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.