Home Postcode finder WA Lower King Lower King postcode WA Lower King is a locality in Western Australia covered by postcode 6330. Postcode 6330 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lower King business listing More business listings in Lower King Businesses in Lower KingMaxi Beeswax Wrappers11 Bryant Court, Lower King WA, Australia · +611300733283 Common questionsWhat is the postcode for Lower King?Lower King, WA has the postcode 6330.What state is Lower King in?Lower King is in Western Australia (WA).Does postcode 6330 cover more than one suburb?Yes. Postcode 6330 covers 50 localities, so the postcode alone does not identify Lower King. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.