SMS Guidelines for Mexico

MCC: 334

Dial Code: 52

Submissions with an Alpha Sender ID* will be overwritten to either a local long code or short code.

All promotional traffic should always include clear OPT-OUT options.

*Implementation of Alpha Sender ID registration for this destination is relatively new. It is not mandatory, however for AlphaDynamic capabilities, agreements in minimum monthly volume (to be confirmed) are required for the Alpha Sender ID to be maintained. Telnyx advises on registration only if volumes can be maintained.

Please make sure to always refer to our Acceptable Use Policy for Messaging.

Additional SMS resources for Mexico: