Commonwealth bank Australia Complaints Number and Email [August 2023]

If you have a complaint or a question regarding the Commonwealth bank, here you can find specific information about the Commonwealth bank complaints number and Commonwealth bank Australia complaint department. Which allows you to solve your problem or any of your questions?

How to Contact Commonwealth bank

Way 1: Call the Commonwealth bank customer number 1800 931 678. If you have a complaint about a service and other related query.

Step 2: Here are the second ways to make a compliant on Commonwealth bank Customer Care via email,

Ways 3: If you have failed to complaint by phone number and email, you can also complaint after through his social media account such as, commonwealth bank facebook pageTwitter, Instagram etc.

Customer service hours

Today hours Opening Hours Closing Hours
Monday 24 hours 24 hours
Tuesday 24 hours 24 hours
Wednesday 24 hours 24 hours
Thursday 24 hours 24 hours
Friday 24 hours 24 hours
Saturday 24 hours 24 hours
Sunday 24 hours 24 hours

Commonwealth bank Australia Number & Email 

Commonwealth bank phone number 1800 931 678
Commonwealth bank customer email id
Commonwealth bank head office phone number 1300 363 992
Commonwealth bank headquarter head office address CBA Group Customer Relations Reply Paid 41 sydney, NSW 2001

Call on Commonwealth bank Customer care number to get Customer service tips. This is commonwealth bank customer service phone number that you can use to contact Commonwealth bank. You can use this number for various tasks such as:

  • Account
  • Loan
  • Transaction

If you are also experiencing some issue or queries with commonwealth bank services, you can seek assistance from following Commonwealth bank customer support email.

Commonwealth bank Email support is available Feedback & Complaints. You can use it to solve your general problem.

How to make a complaint?

If you would like to make Commonwealth bank complaint, please contact us via Contact Us page on website.

Commonwealth bank provides customers with the best possible service. If you haven’t received the service you expected, you have the right to make a complaint.


The Commonwealth Bank of Australia, or CommBank, is an Australian multinational bank with businesses across New Zealand, Asia, the United States and the United Kingdom.

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