Home Postcode finder QLD Silver Ridge Silver Ridge postcode QLD Silver Ridge is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Silver Ridge business listing Be the first listing in Silver Ridge Common questionsWhat is the postcode for Silver Ridge?Silver Ridge, QLD has the postcode 4352.What state is Silver Ridge in?Silver Ridge 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 Silver Ridge. Browse other postcodes in Queensland, or widen the search to every Australian postcode.