highfields postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Highfields Highfields local listingsThe suburb of Highfields is located in QLD and has a postcode of 4352. Free highfields business listing! 1Toowoomba Christian CollegePost Office 07 463084442Highfields State SchoolNew England Highway 07 469962223Mary Mackillop SchoolLot 5 Highfields Rd 07 46987777 View more business listings in highfields Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.