Home Postcode finder QLD Coalbank Coalbank postcode QLD Coalbank is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Coalbank business listing Be the first listing in Coalbank Common questionsWhat is the postcode for Coalbank?Coalbank, QLD has the postcode 4352.What state is Coalbank in?Coalbank is in Queensland (QLD).Does postcode 4352 cover more than one suburb?Yes. Postcode 4352 covers 71 localities, so the postcode alone does not identify Coalbank. Browse other postcodes in Queensland, or widen the search to every Australian postcode.