Home Postcode finder QLD Douglas Douglas postcode QLD Douglas is a locality in Queensland covered by postcode 4814. Postcode 4814 State or territory Queensland (QLD) Region North QLD Add a free Douglas business listing More business listings in Douglas Businesses in DouglasAustralian Technical CollegeDiscovery Rd · 07 47792199BPM Carpet Cleaning Townsville10 Arana Cl · 0742434845K-STREET1 James Cook Dr, Douglas QLD 4814, Australia · (07) 4781 4333 Common questionsWhat is the postcode for Douglas?Douglas, QLD has the postcode 4814.What state is Douglas in?Douglas is in Queensland (QLD).Does postcode 4814 cover more than one suburb?Yes. Postcode 4814 covers 10 localities, so the postcode alone does not identify Douglas. Browse other postcodes in Queensland, or widen the search to every Australian postcode.