loch-lomond postcode qld Home ›› Postcode Finder ›› QLD ›› Loch-Lomond Loch Lomond local listingsThe suburb of Loch Lomond is located in QLD and has a postcode of 4370. Free loch lomond business listing! Get the first free listing in loch lomond! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.