Who do I contact with payment installment queries? Amway Support August 30, 2018 11:38 Updated For payment installment queries, please call our Amway Contact Centre. Australia: 1800 45 46 47 and press Option 4 (Finance) New Zealand: 0800 611 611 and press Option 4 (Finance) Related articles How do I get my installment payment balance? Where can I find payment installment forms? How do I place an order over the phone? Who founded Amway? What should I do if I have a damaged Amway product?