Home Postcode finder WA Ridgewood Ridgewood postcode WA Ridgewood is a locality in Western Australia covered by postcode 6030. Postcode 6030 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Ridgewood business listing More business listings in Ridgewood Businesses in RidgewoodWest Coast Language Development CentreRidgewood Blvd · 08 93044274 Common questionsWhat is the postcode for Ridgewood?Ridgewood, WA has the postcode 6030.What state is Ridgewood in?Ridgewood is in Western Australia (WA).Does postcode 6030 cover more than one suburb?Yes. Postcode 6030 covers 6 localities, so the postcode alone does not identify Ridgewood. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.