KDDI Corporation

  • Rank in Country: 50
  • 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: 50
  • Status: Operational
  • Description: bands 1, 11, 26 (18), 28, 42
NameKDDI au Japan logoKDDI au
CompanyKDDI Corporation
CountryJapan flagJapan
Country ISOJP
Country code+ 81
Carrier websitehttps://www.au.com/
Carrier codes
  • 440 50
  • 440 51
  • 440 52
  • 440 53
  • 440 54
  • 440 70
  • 440 71
  • 440 72
  • 440 73
  • 440 74
  • 440 75
  • 440 76
  • 440 78
Mobile prefix70, 80, 90
Size of NSN10
Number format

+81 70x xxx xxxx

+81 80x xxx xxxx

+81 90x xxx xxxx

Coverage mapUnknown
Subscribers50 638 000 (December 2017)
LTE bands
  • B1 (2100)
  • B11 1500 Lower
  • B18 (800 Lower)
  • B26 (850+)
  • B28 (700 APT)
  • B41 (TD 2500)
  • B42 (TD 3500)
LTE protocols
  • LTE
CDMA protocols
  • CDMA2000 1XEV-DO REV A
  • CDMA2000 1XRTT
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