Home Postcode finder QLD Windsor Windsor postcode QLD Windsor is a locality in Queensland covered by postcode 4030. Postcode 4030 State or territory Queensland (QLD) Region Northgate Add a free Windsor business listing More business listings in Windsor Businesses in WindsorApex Floor Sanding80 LeGeyt St · 07 3857 2571Apex Floor Sanding80 Le Geyt St · 07 3857 2571Apex Floors Sanding80 LeGeyt St · 738572571 Common questionsWhat is the postcode for Windsor?Windsor, QLD has the postcode 4030.What state is Windsor in?Windsor is in Queensland (QLD).Does postcode 4030 cover more than one suburb?Yes. Postcode 4030 covers 3 localities, so the postcode alone does not identify Windsor. Browse other postcodes in Queensland, or widen the search to every Australian postcode.