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Hong Kong Sender ID guidelines

Alphanumeric Sender ID

Supported.

Unregistered senders are converted to long codes.

Registration requirements

For additional requirements, see Sender ID registration process.

Country regulations

General consent requirements.

For promotional messaging, message content must include a phone number which allows end users to unsubscribe.

Allowed sending windows for marketing content (local time):

  • Daily: 9am – 11pm

Content restrictions

No URLs allowed.

Scams, Gambling, Phishing content is prohibited.

Additional information

For the full list of supported networks in Hong Kong, see Global Messaging Carrier Reach Matrix.

Note: Due to the rapidly evolving nature of global messaging regulations, this information is subject to change without notice. If you have additional questions, please contact our Messaging Registration Support Team.

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