Home Postcode finder WA Balcatta Balcatta postcode WA Balcatta is a locality in Western Australia covered by postcode 6021. Postcode 6021 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Balcatta business listing More business listings in Balcatta Businesses in BalcattaAbbey Blinds & CurtainsMobile Showroom · 08 9440 5017Addstyle Master BuildersUnit 2 511 Wanneroo Road · 96063575093Advanced Vision Security Pty Ltd164 Amelia St, Balcatta WA 6021, Australia · 0403 596 231 Common questionsWhat is the postcode for Balcatta?Balcatta, WA has the postcode 6021.What state is Balcatta in?Balcatta is in Western Australia (WA).Does postcode 6021 cover more than one suburb?Yes. Postcode 6021 covers 2 localities, so the postcode alone does not identify Balcatta. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.