Home Postcode finder QLD Splinter Creek Splinter Creek postcode QLD Splinter Creek is a locality in Queensland covered by postcode 4630. Postcode 4630 State or territory Queensland (QLD) Region Sunshine Coast Add a free Splinter Creek business listing Be the first listing in Splinter Creek Common questionsWhat is the postcode for Splinter Creek?Splinter Creek, QLD has the postcode 4630.What state is Splinter Creek in?Splinter Creek is in Queensland (QLD).Does postcode 4630 cover more than one suburb?Yes. Postcode 4630 covers 24 localities, so the postcode alone does not identify Splinter Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.