Special requirements for sending SMS messages to US destinations - Amazon Simple Notification Service

Special requirements for sending SMS messages to US destinations

Important

US mobile carriers have recently changed their regulations, and will require that all toll-free numbers (TFNs) complete a registration process with a regulatory body before September 30, 2022. If you currently have a toll-free number you must register your toll-free number by September 30, 2022 or you will no longer be able to use the toll-free number. You can check the status of your number by going to Toll-free number registration status. For more information about registering your company see Registering your toll-free number.

It can take up to 15 business days for your registration to be processed after it is submitted.

Effective June 1, 2021, US telecom providers no longer support using person-to-person (P2P) long codes for application-to-person (A2P) communications to US destinations. Instead, you need to use one of the following types of origination numbers for messaging US destinations: