Home Postcode finder QLD Boyne Valley Boyne Valley postcode QLD Boyne Valley is a locality in Queensland covered by postcode 4680. Postcode 4680 State or territory Queensland (QLD) Region Central QLD Add a free Boyne Valley business listing Be the first listing in Boyne Valley Common questionsWhat is the postcode for Boyne Valley?Boyne Valley, QLD has the postcode 4680.What state is Boyne Valley in?Boyne Valley is in Queensland (QLD).Does postcode 4680 cover more than one suburb?Yes. Postcode 4680 covers 41 localities, so the postcode alone does not identify Boyne Valley. Browse other postcodes in Queensland, or widen the search to every Australian postcode.