Country Summary
| Country Name | El Salvador |
| ISO | SV |
| Country Code | 503 |
| Region | Central America |
| MCC (Mobile country code) | 706 |
Sender ID Guidelines
| Alphanumeric Sender ID |
Alphanumeric Sender IDs are supported towards Digicel and Tigo. At the moment those operators do not require registration/ whitelisting. Alphanumeric Sender IDs used before November 1, 2025 have been whitelisted with Claro network. To introduce new Alphanumeric Sender ID to Claro - please contact your account manager for registration requirements. Alphanumeric Sender IDs are not supported for Movistar. If an SMS is sent with an alpha sender ID, the sender ID will be changed to a random local virtual number to ensure delivery. |
| Numeric Sender ID |
Numeric Sender IDs are not supported unless offered by Vonage's 2-way service. If an SMS is sent with an international numeric sender ID in Tigo, the sender ID will be changed to a random local virtual number to ensure delivery. |
| Generic Sender ID | Generic sender IDs such as INFO, SMS, NOTICE etc are prohibited. |
Use-Case & Content Guidelines
| Marketing Traffic | Before sending any marketing traffic, opt-in consent is required from handset users. |
Additional Information
P2P traffic is prohibited.
No political, religious, unsolicited promotion, or gambling content.
There are no additional content restrictions beyond those in our Acceptable Use Policy.