glengallan postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Glengallan Glengallan local listingsThe suburb of Glengallan is located in QLD and has a postcode of 4370. Free glengallan business listing! Get the first free listing in glengallan! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.