Home Postcode finder QLD Gregory River Gregory River postcode QLD Gregory River is a locality in Queensland covered by postcode 4660. Postcode 4660 State or territory Queensland (QLD) Region Sunshine Coast Add a free Gregory River business listing Be the first listing in Gregory River Common questionsWhat is the postcode for Gregory River?Gregory River, QLD has the postcode 4660.What state is Gregory River in?Gregory River 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 Gregory River. Browse other postcodes in Queensland, or widen the search to every Australian postcode.