Home Postcodes by state QLD Porcupine Porcupine postcode QLD Porcupine is a locality in Queensland covered by postcode 4821. Postcode 4821 (every locality with postcode 4821) State or territory Queensland (QLD) Region North QLD Council area Flinders Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Porcupine business listing Be the first listing in Porcupine Also in postcode 4821Dutton RiverQLD 4821HughendenQLD 4821StamfordQLD 4821TangorinQLD 4821 Common questionsWhat is the postcode for Porcupine?Porcupine, QLD has the postcode 4821.What state is Porcupine in?Porcupine is in Queensland (QLD).What council is Porcupine in?Porcupine is in the Flinders local government area.Does postcode 4821 cover more than one suburb?Yes. Postcode 4821 covers 5 localities, so the postcode alone does not identify Porcupine. Browse other postcodes in Queensland, or widen the search to every Australian postcode.