Commonwealth Bank of Australia, also known as CommBank, is an Australian multinational bank with businesses across New Zealand, Asia, the United States and the United Kingdom. CommBank Australia offers wide range of financial services that include retail, business and institutional banking, funds management, superannuation, insurance, investment and brokering services. Customers who seek to get in touch with representatives at CommBank may refer to furnished customer service contact information to avail hassle free assistance pertaining to relevant matters of concern. CommBank Customer Service Number: 13 2221 | Overseas: +61 2 9999 3283 TTY or Voice: 133 677 then ask for 13 2221 CommBank Personal Banking Customer Service For personal banking inquiries and other concerns, customers of the CommBank may refer to given customer service contact numbers. Lost, Stolen or Damaged Cards: 13 2221 | Overseas: +61 2 9999 3283 Financial hardship: 1300 720 814 | 8am - 9pm, Mon - F