toowoomba-east postcode qld Home ›› Postcode Finder ›› QLD ›› Toowoomba-East Toowoomba East local listingsThe suburb of Toowoomba East is located in QLD and has a postcode of 4350. Free toowoomba east business listing! Get the first free listing in toowoomba east! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.