Home Postcode finder QLD Greenmount Greenmount postcode QLD Greenmount is a locality in Queensland covered by postcode 4751. Postcode 4751 State or territory Queensland (QLD) Region Central QLD Add a free Greenmount business listing More business listings in Greenmount Businesses in GreenmountGreenmount State School9-11 Haldon St · 07 46971159 Common questionsWhat is the postcode for Greenmount?Greenmount, QLD has the postcode 4751.What state is Greenmount in?Greenmount is in Queensland (QLD).Does postcode 4751 cover more than one suburb?Yes. Postcode 4751 covers 4 localities, so the postcode alone does not identify Greenmount. Browse other postcodes in Queensland, or widen the search to every Australian postcode.