You can refer to the SMS guidelines for the Czech Republic, which will help you while onboarding.
| Locale Name | ISO Code | Region | Dialing Code | Sender ID Type(s) |
|---|---|---|---|---|
| Czech Republic | CZ | Europe | +420 | Alphanumeric |
Transactional Routes
SenderID approval processes are the same for transactional routes to use the SMS transactional API.