Home Postcode finder QLD Leyburn Leyburn postcode QLD Leyburn is a locality in Queensland covered by postcode 4365. Postcode 4365 State or territory Queensland (QLD) Region Toowoomba Region Add a free Leyburn business listing More business listings in Leyburn Businesses in LeyburnLeyburn State SchoolPeter St · 07 46950172 Common questionsWhat is the postcode for Leyburn?Leyburn, QLD has the postcode 4365.What state is Leyburn in?Leyburn is in Queensland (QLD).Does postcode 4365 cover more than one suburb?No. Postcode 4365 covers Leyburn only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.