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Contact Information

Service Center

IIJ Information Center (For Corporate Users)

E-mail  :

Investor Relations

Investor Relations Office

E-mail  :


Media Relations

Media Relations Office

TEL  :  +81-3-5205-6310

FAX  :  +81-3-5205-6377

E-mail  :

Main phone number

TEL  :  +81-3-5205-6500

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