Home Postcode finder QLD Macfarlane Macfarlane postcode QLD Macfarlane is a locality in Queensland covered by postcode 4478. Postcode 4478 State or territory Queensland (QLD) Region Toowoomba Region Add a free Macfarlane business listing Be the first listing in Macfarlane Common questionsWhat is the postcode for Macfarlane?Macfarlane, QLD has the postcode 4478.What state is Macfarlane in?Macfarlane is in Queensland (QLD).Does postcode 4478 cover more than one suburb?Yes. Postcode 4478 covers 10 localities, so the postcode alone does not identify Macfarlane. Browse other postcodes in Queensland, or widen the search to every Australian postcode.