You can request change of registered contents from the following form.
Customer information change request form
Please change the information you want to change
Please choose your new plan. We will contact you afterwards.
New plan will be effective from next month.
For more details about plan change, click Here.
Please fill out the required items. We will contact you afterwards.
You may have to change your number or be charged depending on the plan or the size you want to change to.
Thank you for using GTN Mobile.If you have anything to share, please put it here.
Depending on the contract period, cancellation may be charged accordingly.
Vacation/leaving Japan for a short period
If you have anything to share, please put it here.
If you are not in Japan for a short period, you can pay the basic charge in advance to continue using the same number after coming back to Japan.