Opening hours of Post Office in Koonoomoo, Victoria Opening hours of Post Office in Koonoomoo, Victoria Home / Victoria / Koonoomoo / Post Office Post Office Australia Post - Koonoomoo CPA 7043 Goulburn Valley Highway, Koonoomoo General Store, Koonoomoo, Koonoomoo, Victoria 3644 +61 3 5872 1131 Categories of local businesses in Koonoomoo Book Store Bus station Cafe Establishment Finance Food Furniture maker Health Horse trainer Life coach Liquor Store Massage therapist Mental health service Park Post Office Transit station