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Guide for Sending SMS Messages to Czechia
Review the guidelines and restrictions for sending SMS messages to recipients in Czechia. This information is for general informational purposes only. This information doesn't, and isn't intended to, constitute legal advice. Consult your own independent legal counsel for guidance on use cases and applicable legal and industry requirements.
| Short Code | International Long Code | Local Long Code | Alphanumeric Code | |
| Supported | No | Yes | Yes | Yes |
| Two-way Support | -- | No | Yes | No |
| Provisioning Time | -- | -- | 3 weeks | 3 weeks |
| Comments | -- | -- | Requires preregistration | Requires pregregistration |
SMS Code Provisioning Guidelines
Use a Czechia long code for two=way sends or a custom alphanumeric code with an international long code set up for one-way sending. Manage opt-outs with a web link or customer preference center. Two-way sends support marketing and transactional sends. Alphanumeric codes can't be generic and must be associated with the brand, enterprise, product, or service. These codes can include only alphanumeric characters and spaces with a minimum of 3 characters and a maximum of 11 characters.
Restricted Content
You’re responsible for complying with local rules and regulations. To ensure compliance, familiarize yourself with the legislation of the local market. Failure to comply can result in service suspension, cancellation, and potential fines. Czechia generally forbids content related, but not limited to, these products and services.
- Adult
- Alcohol
- Drugs
- Gambling
- Political
- Religion
- Tobacco
Best Practices and Compliance References
Telecommunications in Czechia are regulated by Czech Telecommunication Office (CTU) and Association of Mobile Networks Operators (APMS).

