Contact Us

About the Service

For Inquiry via email

For Inquiry via Telephone

Office hours : Weekday in France 9:00 - 12:00, 13:00 - 17:00
Language : English, French, Japanese

Customer Support

Comprehensive Service & Support

At KDDI America, our customer support system is extensive and wide-ranging. Customers are assigned a knowledgeable account manager to serve as their primary contact. We also maintain a variety of service-specific support centers to bring you further assistance. Your support system is never outsourced, and all KDDI employees are trained to resolve your problems and exceed your expectations.

*Please call 877-890-5001 for KDDI Mobile service

Enterprise/Business Customers

Network Services

Tech Support

　　Los Angeles: (877) 520-0800 (24/7)

Voice Services

Customer Support Center

　　(888) 533-4649
　　(M - F, 10:00am-5:00pm EST, except holidays)

Residential Customers

Voice Services (IchibanTALK & DokodemoTALK)

Customer Support Center

　　(888) 533-4649
　　(M - F, 9:00am-5:00pm EST, except holidays)

　　talk@kddia.com

Internet Help Desk

Service

　　(888) 533-2477
　　(M - F, 9:00am-5:00pm EST, except holidays)

　　servicesupport@kddia.com

Billing