List of Countries without Alphanumeric Sender ID

There are certain countries and regions that don't support alphanumeric sender IDs for SMS (the sender name that appears on the recipient's phone instead of a phone number). Instead, they often restrict sender IDs to numerical formats due to regulations. Here's a general list of countries and regions where alphanumeric sender IDs are restricted or prohibited. This list is not definitive and is likely to change.

Country	Alphanumeric Sender IDs	Notes
Argentina	Not Supported
Bahamas	Not Supported
Belgium	Not Supported
Brazil	Not Supported
Canada	Not Supported
Chile	Not Supported
China	Not Supported
Colombia	Not Supported
Costa Rica	Not Supported
Dominican Republic	Not Supported
Ecuador	Not Supported
El Salvador	Not Supported
Guatemala	Not Supported
Honduras	Not Supported
Hungary	Not Supported
Malaysia	Not Supported
Mexico	Not Supported
Namibia	Not Supported
New Zealand	Not Supported
Nicaragua	Not Supported
Panama	Not Supported
Peru	Not Supported
Puerto Rico	Not Supported
South Africa	Not Supported
South Korea	Not Supported
Syria	Not Supported
Taiwan	Not Supported
United States	Not Supported
Uruguay	Not Supported
Venezuela	Not Supported