General contact information

General inquiries

Tel: 81-3-6667-1111

IBM Japan Ltd
19-21 Nihonbashi
Hakozaki-cho Chuo-ku
Tokyo 103-8510

1 Toll Free number only valid for calling from Japan.
2 The reception desk is carried out in Japanese, but the technical support (callback) is carried out in English. For SR, Please fill in the inquiry contents in English.


Technical Support

Electronic service requests can be submitted for hardware or software under warranty or with a support contract.
  IBM Service Line ( HW support "2", SW support "3")
Tel : 0120-34-0000 1
Tel : 043-333-3037

IBM Software & Platform Computing 2 Support
Tel : 0120-557-971 1

Exceptional Software Support:

Rational & AppScan Family Support
Tel : 0120-016-190 1

Sterling Collaboration Network (SCN) Support
Tel : 0120-115-353 1

Security Systems (Proventia family) Hardware Exchange
Tel : 0570-200-467

System Software Support
AIX, OS/400, Storage
Tel : 0120-557-931 1

s/390 Platform Support
Operating System and Middleware
Tel : 0120-03-7777 1

IBM DMS Softek Support
Toll Free : 010-800-667-63835

Customer support

Contracts, orders status, delivery, inventory, invoices and payments.