---
title: "Czech Republic SMS Guideline"
slug: "czech-republic-sms-guideline"
updated: 2026-06-14T19:07:16Z
published: 2026-06-14T19:07:16Z
canonical: "academy.insiderone.com/czech-republic-sms-guideline"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://academy.insiderone.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Czech Republic SMS Guideline

You can refer to the SMS guidelines for the Czech Republic to help with 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](/v1/docs/send-transactional-sms).