Home Postcode finder QLD Bremer Bremer postcode QLD Bremer is a locality in Queensland covered by postcode 4305. Postcode 4305 State or territory Queensland (QLD) Region Western Suburbs Add a free Bremer business listing Be the first listing in Bremer Common questionsWhat is the postcode for Bremer?Bremer, QLD has the postcode 4305.What state is Bremer in?Bremer is in Queensland (QLD).Does postcode 4305 cover more than one suburb?Yes. Postcode 4305 covers 23 localities, so the postcode alone does not identify Bremer. Browse other postcodes in Queensland, or widen the search to every Australian postcode.