---
title: "Portugal SMS Guideline"
slug: "portugal-sms-guideline"
updated: 2026-06-12T16:52:30Z
published: 2026-06-12T16:52:30Z
canonical: "academy.insiderone.com/portugal-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.

# Portugal SMS Guideline

You can refer to the SMS guidelines for Portugal, which will help you while onboarding.

| Locale Name | ISO Code | Region | Dialing Code | Available Routes |
| --- | --- | --- | --- | --- |
| Portugal | PT | Europe | +351 | - Promotional - Transactional |

## Promotional Routes

| **Available Sender IDs** | Alphanumeric Sender ID | Long Code | Short Code |
| --- | --- | --- | --- |
| **Comparison of Sender IDs** | Pre-registration is not required. | Sender ID is preserved. | It is not supported. |
| **Opt-put Options for Sender IDs** | Unsubscribe with the External/Internal link | - | - |

## Transactional Routes

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