Home Postcode finder QLD Sapphire Sapphire postcode QLD Sapphire is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Sapphire business listing Be the first listing in Sapphire Common questionsWhat is the postcode for Sapphire?Sapphire, QLD has the postcode 4702.What state is Sapphire in?Sapphire is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Sapphire. Browse other postcodes in Queensland, or widen the search to every Australian postcode.