Postcode 4300 This postcode covers more than one locality. Which one are you after? Augustine Heights Queensland LGA: Ipswich Bellbird Park Queensland LGA: Ipswich Brookwater Queensland LGA: Ipswich Carole Park Queensland LGA: Ipswich Gailes Queensland LGA: Ipswich Goodna Queensland LGA: Ipswich Springfield Central Queensland LGA: Ipswich Springfield Lakes Queensland LGA: Ipswich