---
title: "Tanzania SMS Guideline"
slug: "tanzania-sms-guideline"
description: "Learn Tanzania SMS guidelines, including sender ID requirements, network restrictions, and available promotional and transactional routes."
updated: 2026-05-05T07:17:38Z
published: 2026-05-05T07:17:38Z
canonical: "academy.insiderone.com/tanzania-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.

# Tanzania SMS Guideline

You can refer to the SMS guideline for Tanzania to support your onboarding process.

| Locale Name | ISO Code | Region | Dialing Code | Available Routes |
| --- | --- | --- | --- | --- |
| Tanzania | TZ | East Africa | +255 | - Promotional - Transactional |

## Promotional Routes

The following sender ID options are available for promotional SMS in Tanzania.

| Available Sender IDs | Comparison of Sender IDs | Opt-out Options for Sender IDs |
| --- | --- | --- |
| Alphanumeric Sender ID | - Pre-registration required for Tigo, Zantel, Vodacom, and Airtel networks - Branded Sender ID - 10 MPS is the default | Reply with the keyword |

## Transactional Routes

Sender ID approval processes for transactional routes follow the same steps as the [SMS transactional API](https://academy.insiderone.com/docs/send-transactional-single-sms).