Help Center

Czech Republic SMS messaging country regulations and restrictions

Before you start sending SMS messages to the Czech Republic, please ensure that you understand the regulations around messaging in the country. All programs are required to be compliant with the applicable laws. Please contact our support team if you are unsure about any of these regulations.

Restriction Description
DND exists No
Time restrictions No
International vs local split Yes
Local traffic Local/International split only confirmed for O2
International traffic Local/International split only confirmed for O2
General content restrictions
  • Religious content
  • Political messages
  • Adult content
  • Gambling content
Content registration required No
Opt-Out instructions required Promotional/marketing traffic should have an opt-out option.
Sender ID regulations
  • Pre-registration required for O2 and T-Mobile.
  • Pre-registration required for local traffic.
  • There are costs involved to register sender ID.     
Sender ID documentation required Yes
Country supports MNP Yes

Was this article helpful
0 out of 1 found this helpful

Other resources

Ask the community

Visit Stack Overflow to join our community of developers and find the answer you need.

Contact support

Contact our support team and one of our agents will be in touch with you to answer any questions you have.

Step into the future of business messaging.

SMS and two-way channels, automation, call center integration, payments – do it all with Clickatell’s Chat Commerce platform.