clinton postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Clinton Clinton local listingsThe suburb of Clinton is located in QLD and has a postcode of 4680. Free clinton business listing! 1St John the Baptist Catholic Primary School15 J Hickey Ave 07 49781799 View more business listings in clinton Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.