---
title: "Thailand SMS Guideline"
slug: "thailand-sms-guideline"
updated: 2026-06-14T19:15:51Z
published: 2026-06-14T19:15:51Z
canonical: "academy.insiderone.com/thailand-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.

# Thailand SMS Guideline

You can refer to the SMS guidelines for Thailand to assist you during onboarding.

| Locale Name | ISO Code | Region | Dialing Code | Sender ID Types |
| --- | --- | --- | --- | --- |
| Thailand | TH | APAC | +66 | Alphanumeric, Long Code |

## Transactional Routes

SenderID approval processes are the same for transactional routes to use the [SMS transactional API](/v1/docs/send-transactional-sms).