windsor postcode qldbi Home ›› Postcode Finder ›› QLDBI ›› Windsor Windsor local listingsThe suburb of Windsor is located in QLD and has a postcode of 4030. Free windsor business listing! 1Holy Rosary SchoolRoblane St 07 385748032Windsor State School40 Harris St 07 386643333PT Train Windsor (07) 3861 1303 View more business listings in windsor Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.