Hong Kong SMS Features and Restrictions
Country Summary
| Country Name | Hong Kong |
| ISO | HK |
| Country Code | 852 |
| Region | Asia |
| MCC (Mobile country code) | 454 |
Sender ID Guidelines
| Alphanumeric Sender ID |
Dynamic alpha Sender IDs are supported for most operators. Sender IDs might be replaced by local Hong Kong numbers to ensure delivery for ChinaUnicomHK and ChinaMobileHK as alpha Sender IDs are often problematic for 1sim2numbers subscribers |
| Numeric Sender ID |
Non-alpha Sender IDs are replaced by local Hong Kong numbers or “SMS” as an alpha Sender ID to deliver. |
Use-Case & Content Guidelines
| Marketing Traffic | Before sending any marketing traffic, opt-in consent is required from handset users. |
Additional Information
P2P traffic is prohibited.
No political, religious, unsolicited promotion, or gambling content.
There are no additional content restrictions beyond those in our Acceptable Use Policy.
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