Resources
Supported SMS Regions
List of countries where Altostrat’s SMS delivery is enabled, plus any high-risk or unsupported regions.
SMS delivery services are not available in all regions. Check the lists below to confirm if your country is supported.
Altostrat uses phone number prefixes to determine if SMS delivery is allowed. Some countries are disabled due to high risk or minimal user volume.
Supported Regions
Unsupported Regions & Services
High-Risk Regions
Satellite & International Networks
Service availability can change. Check periodically for updates or contact Altostrat Support if you need an unsupported region enabled.