Japan

Carriers Operating in the Country

• Softbank

  Number of Prefixes: 81

  Number of Countries: 1

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• NTT Docomo

  Number of Prefixes: 74

  Number of Countries: 1

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• KDDI

  Number of Prefixes: 71

  Number of Countries: 1

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• Okinawa Cellular

  Number of Prefixes: 9

  Number of Countries: 1

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• Rakuten Communications

  Number of Prefixes: 3

  Number of Countries: 1

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