mount-louisa postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Mount-Louisa Mount Louisa local listingsThe suburb of Mount Louisa is located in QLD and has a postcode of 4814. Free mount louisa business listing! Get the first free listing in mount louisa! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.