Home Postcode finder QLD Cooladdi Cooladdi postcode QLD Cooladdi is a locality in Queensland covered by postcode 4479. Postcode 4479 State or territory Queensland (QLD) Region Toowoomba Region Add a free Cooladdi business listing Be the first listing in Cooladdi Common questionsWhat is the postcode for Cooladdi?Cooladdi, QLD has the postcode 4479.What state is Cooladdi in?Cooladdi is in Queensland (QLD).Does postcode 4479 cover more than one suburb?No. Postcode 4479 covers Cooladdi only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.