douglas postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Douglas Douglas local listingsThe suburb of Douglas is located in QLD and has a postcode of 4814. Free douglas business listing! 1Australian Technical CollegeDiscovery Rd 07 477921992BPM Carpet Cleaning Townsville10 Arana Cl 07424348453Parenting Genie13 Jindalee Cres, Douglas QLD 4814, Australia +61 01300 704 750 View more business listings in douglas Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.