Home Postcode finder QLD Broadmere Broadmere postcode QLD Broadmere is a locality in Queensland covered by postcode 4420. Postcode 4420 State or territory Queensland (QLD) Region Toowoomba Region Add a free Broadmere business listing Be the first listing in Broadmere Common questionsWhat is the postcode for Broadmere?Broadmere, QLD has the postcode 4420.What state is Broadmere in?Broadmere is in Queensland (QLD).Does postcode 4420 cover more than one suburb?Yes. Postcode 4420 covers 8 localities, so the postcode alone does not identify Broadmere. Browse other postcodes in Queensland, or widen the search to every Australian postcode.