blackbutt postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Blackbutt Blackbutt local listingsThe suburb of Blackbutt is located in QLD and has a postcode of 4306. Free blackbutt business listing! 1Blackbutt State SchoolCrofton St 07 41702222 View more business listings in blackbutt Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.