If your life is in danger, call the police at 110

KDDI-DION (ISP) – au customer service

Internet and mobile phone service provider
0120-959-472 (English)
0120-959-476 (Chinese) 0120-959-478 (Korean) 0120-959-473 (Portuguese)
English Hours: 09:00 - 20:00
Days of Service: everday