Home Postcode finder QLD Brookwater Brookwater postcode QLD Brookwater is a locality in Queensland covered by postcode 4300. Postcode 4300 State or territory Queensland (QLD) Region Western Suburbs Add a free Brookwater business listing More business listings in Brookwater Businesses in BrookwaterAvenza Surface DesignBrookwater QLD 4300, Australia · 0400 195 849Brookwater Residential3 Birchwood Crescent, Brookwater QLD 4300, Australia · 07 3814 5177BSK Group QLD7/44 Scoparia Drive, Brookwater QLD 4300, Australia · 0431430498 Common questionsWhat is the postcode for Brookwater?Brookwater, QLD has the postcode 4300.What state is Brookwater in?Brookwater is in Queensland (QLD).Does postcode 4300 cover more than one suburb?Yes. Postcode 4300 covers 10 localities, so the postcode alone does not identify Brookwater. Browse other postcodes in Queensland, or widen the search to every Australian postcode.