Home Postcode finder QLD Belcong Belcong postcode QLD Belcong is a locality in Queensland covered by postcode 4723. Postcode 4723 State or territory Queensland (QLD) Region Central QLD Add a free Belcong business listing Be the first listing in Belcong Common questionsWhat is the postcode for Belcong?Belcong, QLD has the postcode 4723.What state is Belcong in?Belcong is in Queensland (QLD).Does postcode 4723 cover more than one suburb?Yes. Postcode 4723 covers 11 localities, so the postcode alone does not identify Belcong. Browse other postcodes in Queensland, or widen the search to every Australian postcode.