Home Postcode finder QLD East Greenmount East Greenmount postcode QLD East Greenmount is a locality in Queensland covered by postcode 4359. Postcode 4359 State or territory Queensland (QLD) Region Toowoomba Region Add a free East Greenmount business listing Be the first listing in East Greenmount Common questionsWhat is the postcode for East Greenmount?East Greenmount, QLD has the postcode 4359.What state is East Greenmount in?East Greenmount is in Queensland (QLD).Does postcode 4359 cover more than one suburb?Yes. Postcode 4359 covers 5 localities, so the postcode alone does not identify East Greenmount. Browse other postcodes in Queensland, or widen the search to every Australian postcode.