blackall postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Blackall Blackall local listingsThe suburb of Blackall is located in QLD and has a postcode of 4472. Free blackall business listing! 1Blackall State SchoolCnr Hawthorn & Shamrock Sts 07 465773332St Joseph's School109 Thistle St 07 46574248 View more business listings in blackall Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.