Home Postcode finder QLD Benarkin Benarkin postcode QLD Benarkin is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Benarkin business listing More business listings in Benarkin Businesses in BenarkinBenarkin State SchoolLot 12 Scott St · 07 41630201 Common questionsWhat is the postcode for Benarkin?Benarkin, QLD has the postcode 4306.What state is Benarkin in?Benarkin is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Benarkin. Browse other postcodes in Queensland, or widen the search to every Australian postcode.