Home Postcode finder QLD North Isis North Isis postcode QLD North Isis is a locality in Queensland covered by postcode 4660. Postcode 4660 State or territory Queensland (QLD) Region Sunshine Coast Add a free North Isis business listing Be the first listing in North Isis Common questionsWhat is the postcode for North Isis?North Isis, QLD has the postcode 4660.What state is North Isis in?North Isis is in Queensland (QLD).Does postcode 4660 cover more than one suburb?Yes. Postcode 4660 covers 21 localities, so the postcode alone does not identify North Isis. Browse other postcodes in Queensland, or widen the search to every Australian postcode.