Yahoo! BB Customer Supports
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Yahoo! BB
+ What's YahooBB?
+ Internet Speed
+ Monthly Charge

BB Phone
+ What's BB Phone?
+ Domestic Call
+ International Call

+ ¥15,000 Cash Back
+ Free Trial
+ Student Discount
+ Moving Campaign

Account Info
+ Online Billing Info
+ Letters from YahooBB
+ Optional Services

Technical Info
+ Setting Up
+ Troubleshooting
+ Wireless LAN
+ Public Wireless LAN
+ Distance from NTT

Customer Supports
+ Information Center
+ Technical Support
+ Cancellation

+ What's BBTV?
+ Application
+ Customer Support
+ Cancellation

How to Apply
+ Application Agents
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SoftBank BB Information Center
SoftBank BB Technical Support Center
BBTV Customer Service Center

SoftBank BB ADSL Information Center

This information center can handle simple inquiries regarding your contract such as your application status, trial period or basic monthly fee. They can also arrange cancellation. Business Hours: 10 AM - 6 PM /7 days a week.
  • 0800-1111-820(Japanese toll free line)
  • 0800-1111-130(English toll free line)
  • 03-6688-1970(Japanese line for cell phone or IP phone)
  • 03-6888-4943(English line for cell phone or IP phone)

SoftBank BB ADSL Technical Support Center

Yahoo BB offers its technical assistance only in Japanese language. So it is always a good idea to have someone who can call them with you. Some people have reported, however, that an English speaking operator was available from time to time. When you ask for an English speaking operator, they will tell you to call them back with somebody who speaks Japanese. But if you continue to ask for English assistance, they will probably hold you for a while and find somebody who speaks English.
Business Hours: 10 AM - 6 PM / 7 days a week.
  • 0800-2222-820(Japanese toll free line)
  • 03-6688-5120(Japanese line from cell phone or IP phone)
    Ext.3-11-regarding Internet connection or PC setup
    Ext.3-2-1-regarding Wireless LAN
    Ext.4-regarding Yahoo BB E-mail account
    Ext.5-regarding BBphone
  • Email(BBphone support)
  • Email(Other technical matters)
NOTE: Yahoo! BB accepts e-mail inquiries in Japanese language. Make sure to include the following information in your mail.
1.Your name
2.Telephone number
4.Customer ID
5.Internet Service Provider ID (Yahoo Japan ID)
The last two IDs can be found in the very first letter you receive from Yahoo BB!


You can cancel your Yahoo BB service at the end of each month. Simply call up SoftBank BB Information Center for the arrangement. You also have to send all the devices back to Yahoo BB. The shipping fee will be at your expense.

The Return Address of the devices:
Postal Code:

Tokyo-to Koutou-ku Aomi 2-31-2
Aomi Ryutsu Center
SoftBank BB Modem Kakari