KDDI Corporation
- Rank in Country: 70
- Operator: KDDI Corporation
- Type: National
- Technology: CDMA2000 850 / CDMA2000 2100 / LTE 700 / LTE 850 / LTE 1500 / LTE 2100 / TD-LTE 3500
- Ownership: au
- MCC:440
- MNC: 70
- Status: Operational
- Description: bands 1, 11, 26 (18), 28, 42