Home Postcode finder QLD Highgrove Highgrove postcode QLD Highgrove is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Highgrove business listing Be the first listing in Highgrove Common questionsWhat is the postcode for Highgrove?Highgrove, QLD has the postcode 4352.What state is Highgrove in?Highgrove is in Queensland (QLD).Does postcode 4352 cover more than one suburb?Yes. Postcode 4352 covers 71 localities, so the postcode alone does not identify Highgrove. Browse other postcodes in Queensland, or widen the search to every Australian postcode.