Home Postcode finder QLD Bannockburn Bannockburn postcode QLD Bannockburn is a locality in Queensland covered by postcode 4207. Postcode 4207 State or territory Queensland (QLD) Region South Subs Add a free Bannockburn business listing More business listings in Bannockburn Businesses in BannockburnLead Hunter Pty Ltd6 Territory Street · (07) 56 414 029 Common questionsWhat is the postcode for Bannockburn?Bannockburn, QLD has the postcode 4207.What state is Bannockburn in?Bannockburn is in Queensland (QLD).Does postcode 4207 cover more than one suburb?Yes. Postcode 4207 covers 20 localities, so the postcode alone does not identify Bannockburn. Browse other postcodes in Queensland, or widen the search to every Australian postcode.