For quick response by email, corporate members may send their queries directly to .

Phone queries may be directed to: 03-5405-2298 during Japan office hours. Hours of operation are Weekdays M-F 9:30 to 6PM excluding Japanese National holidays.

For each country that we offer service, there is a toll free number for assistance. This information is provided in the instruction manuals which accompany all of our phones.

Outside office hours

Any calls or email messages outside of Japanese business hours are answered the next Japanese business day.

For Corporate Members who are using a Go Mobile phone and require urgent assistance during Japanese national holidays and weekends, a bilingual support team through our concierge service based in the USA is available to assist on any matter required. Please dial the concierge service to obtain help.