Home Postcode finder QLD Jellinbah Jellinbah postcode QLD Jellinbah is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Jellinbah business listing Be the first listing in Jellinbah Common questionsWhat is the postcode for Jellinbah?Jellinbah, QLD has the postcode 4702.What state is Jellinbah in?Jellinbah 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 Jellinbah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.