Home Postcode finder QLD Muirlea Muirlea postcode QLD Muirlea is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Muirlea business listing Be the first listing in Muirlea Common questionsWhat is the postcode for Muirlea?Muirlea, QLD has the postcode 4306.What state is Muirlea in?Muirlea is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Muirlea. Browse other postcodes in Queensland, or widen the search to every Australian postcode.