Postcode 4754 This postcode covers more than one locality. Which one are you after? Benholme Queensland LGA: Mackay Dows Creek Queensland LGA: Mackay Mia Mia (Qld) Queensland LGA: Mackay Mirani Queensland LGA: Mackay Mount Martin Queensland LGA: Mackay Pinevale Queensland LGA: Mackay Septimus Queensland LGA: Mackay