Contact Us | Gigaco eSIM

We only respond to inquiries on weekdays.

We apologize for any inconvenience, but if you contact us outside of business hours, we will respond on the next business day.

[Customer Center Business Hours]

Weekdays 10:00-12:30/13:30-17:00 (excluding Saturdays, Sundays, holidays, and our store's closed days)

*Business hours may be irregular during Golden Week, Obon, and the New Year holidays.

*Required fields

name *

Surname

given name

Furigana

Surname

May

email address *

Text *

If you have any inquiries regarding the contents of your order, please provide us with one of the following information in advance so that we can confirm the contents smoothly.

Registered phone number/zip code
order number

*The order number is listed in the automatically sent email after completing your application, "Subject: Thank you for your order."
*Inquiries are only accepted in Japanese and English.

I agree to the "Cosmonet Corporation Personal Information Protection Policy"
No confirmation screen will be displayed. We will send the message with the above contents, so please check the contents and check the box.

*It may take 1-2 business days for us to respond.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.