Home Postcode finder QLD Lake Clarendon Lake Clarendon postcode QLD Lake Clarendon is a locality in Queensland covered by postcode 4343. Postcode 4343 State or territory Queensland (QLD) Region Western Suburbs Add a free Lake Clarendon business listing More business listings in Lake Clarendon Businesses in Lake ClarendonLake Clarendon State School35 Lake Clarendon Rd · 07 54665279 Common questionsWhat is the postcode for Lake Clarendon?Lake Clarendon, QLD has the postcode 4343.What state is Lake Clarendon in?Lake Clarendon is in Queensland (QLD).Does postcode 4343 cover more than one suburb?Yes. Postcode 4343 covers 24 localities, so the postcode alone does not identify Lake Clarendon. Browse other postcodes in Queensland, or widen the search to every Australian postcode.