Home Postcode finder QLD Fairdale Fairdale postcode QLD Fairdale is a locality in Queensland covered by postcode 4606. Postcode 4606 State or territory Queensland (QLD) Region Toowoomba Region Add a free Fairdale business listing Be the first listing in Fairdale Common questionsWhat is the postcode for Fairdale?Fairdale, QLD has the postcode 4606.What state is Fairdale in?Fairdale is in Queensland (QLD).Does postcode 4606 cover more than one suburb?Yes. Postcode 4606 covers 9 localities, so the postcode alone does not identify Fairdale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.