Sending SMS to Macao? See Telnyx guidance and requirements Learn more about Macao: SMS Guidelines with Telnyx.
Macao: SMS Guidelines
MCC: 455 Dial Code: 853 Alphanumeric Sender IDs are supported. Registration is not necessary.
Alphanumeric Sender IDs can be overwritten to a random Hong Kong Long Code to ensure delivery towards Network China Telecom (45507). There are no restrictions with regards to content towards this destination.
Please make sure to always refer to our Acceptable Use Policy for Messaging.