Home Postcode finder QLD Mount Gravatt Mount Gravatt postcode QLD Mount Gravatt is a locality in Queensland covered by postcode 4122. Postcode 4122 State or territory Queensland (QLD) Region South Subs Add a free Mount Gravatt business listing More business listings in Mount Gravatt Businesses in Mount GravattAccurate Painting Services5 Bakewell Street Mount Gravatt · (07) 3422 1324ARCHER GLASS1369 Logan Road · (07) 3849 2664Brisbane Adventist College306 Wishart Rd · 07 33476401 Common questionsWhat is the postcode for Mount Gravatt?Mount Gravatt, QLD has the postcode 4122.What state is Mount Gravatt in?Mount Gravatt is in Queensland (QLD).Does postcode 4122 cover more than one suburb?Yes. Postcode 4122 covers 5 localities, so the postcode alone does not identify Mount Gravatt. Browse other postcodes in Queensland, or widen the search to every Australian postcode.