Please call at "+81-3-5463-3582" (pay call) for inquiries from abroad.

When you call at the number, you need to select the number by following the automatic guidance.

Working hours (Japan time zone) are as follows.

- Inquiries for charges of NTT docomo

   Working hours: 9:00 am to 8:00 pm seven days a week

- Inquiries for charges of Omatome Seikyu Service for NTT EAST/NTT WEST/NTT Communications

- Inquiries and applications for Omatome Seikyu Service

- Inquiries and applications for Web Billing

   Working hours: 9:00 am to 5:00 pm Mondays to Fridays (closed on public holidays and during the year-end and New Year holidays (12/29-1/3))