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