Home Postcode finder QLD Clumber Clumber postcode QLD Clumber is a locality in Queensland covered by postcode 4309. Postcode 4309 State or territory Queensland (QLD) Region Western Suburbs Add a free Clumber business listing Be the first listing in Clumber Common questionsWhat is the postcode for Clumber?Clumber, QLD has the postcode 4309.What state is Clumber in?Clumber is in Queensland (QLD).Does postcode 4309 cover more than one suburb?Yes. Postcode 4309 covers 17 localities, so the postcode alone does not identify Clumber. Browse other postcodes in Queensland, or widen the search to every Australian postcode.