Home Postcode finder QLD Lockrose Lockrose postcode QLD Lockrose is a locality in Queensland covered by postcode 4342. Postcode 4342 State or territory Queensland (QLD) Region Western Suburbs Add a free Lockrose business listing More business listings in Lockrose Businesses in LockroseLockrose State SchoolZabel Rd · 07 54658249 Common questionsWhat is the postcode for Lockrose?Lockrose, QLD has the postcode 4342.What state is Lockrose in?Lockrose is in Queensland (QLD).Does postcode 4342 cover more than one suburb?Yes. Postcode 4342 covers 6 localities, so the postcode alone does not identify Lockrose. Browse other postcodes in Queensland, or widen the search to every Australian postcode.