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Hong Kong SMS messaging country regulations and restrictions

Before you start sending SMS messages to Hong Kong, please ensure that you understand the regulations around messaging in the country. All programs are required to be compliant with the applicable laws. Please contact our support team if you are unsure about any of these regulations.


Restriction Description
DND exists No
Time restrictions Marketing messages should only be sent during local business hours
International vs local split No
Local traffic N/A
International traffic N/A
General content restrictions

The following message types are strictly prohibited:

  • Politics
  • Religion
  • Violence
  • Gambling/betting
  • Adult or otherwise inappropriate content
  • Marketing messages should not be sent to numbers listed in the DND list
  • Marketing messages can only be sent to users who explicitly provided consent to receive promotional messages
Content registration required No
Opt-out instructions required N/A
Sender ID regulations
  • All sender IDs overwritten with local long codes
  • All banking traffic needs to be sent from a special long code that allows SMS forwarding to be disabled
Sender ID documentation required N/A
Country supports MNP Yes


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