ContactsBelow is current support capabilities for custom SMS sender IDs, or alphanumeric sender ID worldwide. View the countries below for guidelines on sending Programmable SMS messages to this locale (where available).
Note: Some countries may require registration of the desired alphanumeric sender ID prior to sending messages from this ID. These countries are marked Pre-Registration Required in the table below.
| Territory | Alpha Sender ID | Long Code (Virtual Number) | Long Code Shared Pool | Short Code Shared Pool | AU Long Code Overwrite | Replies (Not from ALPHA) |
| Australia | YES | YES | YES | – | – | YES |
| Belgium | – | YES | YES | – | YES | YES |
| Canada | – | YES | YES | – | – | YES |
| Denmark | YES | YES | YES | – | YES | YES |
| Finland | YES | YES | YES | – | YES | YES |
| France | YES | YES | YES | – | YES | YES |
| Germany | YES | – | – | – | YES | YES |
| Hong Kong | PRE-REG REQUIRED | YES | YES | – | – | YES |
| Hungary | – | YES | YES | – | – | YES |
| India | – | – | YES | – | – | – |
| Ireland | YES | YES | YES | – | YES | YES |
| Malaysia | – | YES | YES | – | – | – |
| Netherlands | YES | YES | YES | – | YES | YES |
| New Zealand | – | – | – | YES | – | YES |
| Norway | YES | YES | YES | – | YES | YES |
| Philippines | PRE-REG REQUIRED | YES | YES | – | – | YES |
| Singapore | YES | YES | YES | – | YES | YES |
| South Africa | – | YES | YES | – | YES | YES |
| Spain | YES | YES | YES | YES | YES | YES |
| Sweden | YES | YES | YES | YES | YES | YES |
| Switzerland | YES | YES | YES | – | YES | YES |
| United Kingdom | YES | YES | YES | YES | YES | YES |
| United States | – | YES | YES | – | – | YES |
Alpha Sender ID PRE REG REQUIRED = Must contact support – Some territories will restrict message content if unregistered eg Philippines shortened URL etc.
AU Long Code Overwrite = May be used in territories where local shared pool or VN are not available or yet to be provisioned
Long Code (Virtual Number) = With the exception of AU all Virtual number orders must be placed via your account.
Short Code Shared Pool = Typically NZ must be placed via your account