SMS Rules for Slovakia
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Sender ID Restrictions
| Alphanumeric Sender ID | Can be crushed |
|---|---|
| Foreign Numeric Sender ID | Can be crushed |
| Local Numeric Sender ID | Supported |
| Generic Sender ID Prohibited | Yes |
| Sender ID May Be Modified | Yes |
| Virtual Number Required | No |
| Marketing Requires Opt-in | Yes |
| P2P Prohibited | Yes |
| Handset DLR Unavailable | No |
Content Restrictions
| Category | Status | Notes |
|---|---|---|
| Money games | PROHIBITED | Detected from provider text: gambling, betting, casino |
| Political content | PROHIBITED | Detected from provider text: political |
| Religious content | PROHIBITED | Detected from provider text: religious |
| Marketing / Promotional | PROHIBITED | Detected from provider text: marketing, promotion |
Notes
Country: Slovakia (SK).
Slovakia has specific guidelines for sending SMS messages. Alphanumeric sender IDs are generally supported, but it is important to note that numeric sender IDs are not supported by T-Mobile and O2. All numeric sender IDs will be changed to ensure delivery. Generic sender IDs such as INFO, SMS, NOTICE etc. are prohibited; it is recommended to use a representative brand or company name to ensure delivery.
When it comes to marketing traffic, it is necessary to obtain consent from users before sending messages. P2P traffic is not allowed and no content related to politics, religion, unsolicited advertising or gambling may be sent. There are no additional content restrictions beyond those stated in our Acceptable Use Policy.
It is important to be aware that the rules for SMS messages can change and we strive to keep all information up-to-date and accurate. For further information and advice, please contact our experts.
Slovakia has specific guidelines for sending SMS messages. Alphanumeric sender IDs are generally supported, but it is important to note that numeric sender IDs are not supported by T-Mobile and O2. All numeric sender IDs will be changed to ensure delivery. Generic sender IDs such as INFO, SMS, NOTICE etc. are prohibited; it is recommended to use a representative brand or company name to ensure delivery.
When it comes to marketing traffic, it is necessary to obtain consent from users before sending messages. P2P traffic is not allowed and no content related to politics, religion, unsolicited advertising or gambling may be sent. There are no additional content restrictions beyond those stated in our Acceptable Use Policy.
It is important to be aware that the rules for SMS messages can change and we strive to keep all information up-to-date and accurate. For further information and advice, please contact our experts.
Last updated: April 20, 2026