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