For inquiries regarding mobile communication (au), telephone or internet services for individual customers, visit the following link.
Inquiries about au mobile communication services
Inquiries about internet services
Inquiries about telephone services
For inquiries regarding services and solutions for business customers, visit the following link.
Inquiries about investor relations
For inquiries about investor relations or inquiries for stockholders, visit the following link.
Handling of personal information
See here for how to contact us about grievances regarding handling of personal information (usage, provision, disclosure, amendments, etc.)