Home Postcode finder QLD Yarranlea Yarranlea postcode QLD Yarranlea is a locality in Queensland covered by postcode 4356. Postcode 4356 State or territory Queensland (QLD) Region Toowoomba Region Add a free Yarranlea business listing Be the first listing in Yarranlea Common questionsWhat is the postcode for Yarranlea?Yarranlea, QLD has the postcode 4356.What state is Yarranlea in?Yarranlea is in Queensland (QLD).Does postcode 4356 cover more than one suburb?Yes. Postcode 4356 covers 18 localities, so the postcode alone does not identify Yarranlea. Browse other postcodes in Queensland, or widen the search to every Australian postcode.