Home Postcode finder QLD Foulden Foulden postcode QLD Foulden is a locality in Queensland covered by postcode 4740. Postcode 4740 State or territory Queensland (QLD) Region Central QLD Add a free Foulden business listing Be the first listing in Foulden Common questionsWhat is the postcode for Foulden?Foulden, QLD has the postcode 4740.What state is Foulden in?Foulden is in Queensland (QLD).Does postcode 4740 cover more than one suburb?Yes. Postcode 4740 covers 50 localities, so the postcode alone does not identify Foulden. Browse other postcodes in Queensland, or widen the search to every Australian postcode.