thornton postcode qld Home ›› Postcode Finder ›› QLD ›› Thornton Thornton local listingsThe suburb of Thornton is located in QLD and has a postcode of 4341. Free thornton business listing! 1Thornton State School4 Thornton School Rd 07 54667141 View more business listings in thornton Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.