Locale Summary |
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Locale name |
Taiwan |
ISO code |
TW |
Region |
Asia |
Mobile country code |
466 |
Dialing code |
+886 |
Guidelines |
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Two-way SMS supported |
No |
Number portability available |
Yes |
Twilio concatenated message support |
Yes* |
Message length |
----- |
Twilio MMS support |
Converted to SMS with embedded URL |
Sending SMS to landline numbers |
You cannot send SMS to a landline destination number: the Twilio REST API will throw a 400 response with error code 21614, the message will not appear in the logs, and the account will not be charged. |
Compliance considerations |
Content Compliance Requirements for SMS Delivery to Taiwan URLs (especially shortened URLs) is strictly prohibited in Taiwan. If your SMS content carries a URL, kindly reach out to Twilio Customer Support to get the full-length URL registered/allowlisted to prevent delivery failure. Sending firearms, gambling, adult content, money/loan, political, religious, controlled substance, cannabis, and alcohol related content is strictly prohibited. Messages containing WhatsApp/LINE chat links are not allowed. Sender ID Compliance You may use an Alpha and numeric Sender ID to reach mobile phones in Taiwan. However, the Sender ID will be overwritten with a long code outside Twilio’s Platform. Delivery Report Only SMSC delivery reports are supported in Taiwan. Time Restrictions for Marketing and Promotional Messages Sending of promotional/marketing messages from 1230H - 1330H and 2100H until 0900H of the next day is prohibited. Additional Phone Numbers and Sender ID Guidelines Twilio strongly encourages customers to review proposed use cases with qualified legal counsel to make sure that they comply with all applicable laws. The following are some general best practices:
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