JAPAN SMS: Products and Compliance


Sender ID Dynamic 
Dialing code 81
Major Carriers KDDI, Softbank, NTT DOCOMO, Rakuten Mobile
Number portability Yes
Message length 160 characters.
Support for Concatenated message Yes (Except Digi)
Sender ID Supported

Long Code (NTT, KDDI, Rakuten Mobile)

Short Code (Softbank)

Setup Time -
Support for Two Way SMS -

SMS Compliance

Prohibited Content:

The following types of messaging on all SMS messaging products are all prohibited:

  • Spam  
  • Gambling 
  • Adult content

Industry Reference:

Japan Anti Spam Law

Information and Communication Policy Site

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