You can check your call history and detailed charges on web services of each communications company.

- NTT EAST "@Billing"

- NTT WEST "My Billing"

- NTT docomo "e-billing"

- NTT Communications "OCN my page"

In order to use the services, please apply for it in advance by contacting each communications company.

*Click "here" for the contact desks of each communications company.