---
title: "Brazil (+55) Country Calling Code & SMS Numbering Plan"
---

Brazil (+55) Country Calling Code & SMS Numbering Plan: SMSRiver

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- Brazil (+55)

National Telecom Specification

# Brazil (+55) Country Calling Code & SMS Guide

Complete engineering reference for phone numbering formats, domestic trunk prefixes, cellular mobile operator allocations, and regulatory A2P SMS requirements in Brazil.

Quick Jump:
[Numbering Plan](#numbering-plan)
[A2P Regulations](#sms-regulations)
[Verify BR Number](#inspector-cta)

Country Dialing Code
+55
ISO: BR

Domestic Trunk Prefix
0
Omitted internationally

National Length
11 digits (mobile) or 10 digits (fixed)
Local subscriber digits

Full E.164 Length
13 digits (+55 DDD 9xxxx-xxxx)
With +55 prefix

## Telephony Architecture & Carrier Allocations

Destination Codes:
DDD 2-digit Area Codes (11 to 99)

Mobile Prefix Patterns:
All Brazilian mobile lines have a mandatory 9th digit (9xxxx-xxxx) following the 2-digit DDD area code

Major Mobile Network Operators:
Vivo (Telefônica Brasil), Claro Brasil, TIM Brasil

## A2P Messaging Regulations & Firewall Policies

A2P 10DLC & Campaign Registration
Not applicable. Regulated by Anatel (Agência Nacional de Telecomunicações).

Alphanumeric Sender ID Support
Unsupported by Brazilian carriers. A2P SMS is routed through authorized shortcodes (5 digits) or registered long codes.

Two-Way Messaging Capability
Supported via dedicated Brazilian shortcodes or two-way long codes.

Character Encoding Standards
GSM-7 standard (Portuguese accents ã, õ, ç, á, é, í, ó, ú require UCS-2 or standard GSM transliteration).

Compliance Framework: LGPD (Lei Geral de Proteção de Dados) and Anatel Telecommunications Regulations; commercial marketing requires explicit opt-in.

Interactive Number Intelligence

### Test a Brazil Number Now

Check if a Brazil phone number conforms to the national numbering plan, classify mobile vs VoIP allocation, and obtain canonical E.164 standardization.

Inspect Number →

## Frequently Asked Questions for Brazil

### What is the international calling code for Brazil?

Brazil's country calling code is +55. International format consists of +55 followed by the 2-digit DDD area code and 9-digit mobile number.

### What is the mandatory 9th digit in Brazilian mobile numbers?

Anatel mandated adding the digit '9' at the beginning of all mobile numbers across Brazil to expand numbering capacity. All Brazilian mobile numbers have 11 digits domestically (DDD + 9 digits).

### Related National Calling Codes

[Australia
+61](/country-codes/australia/)

[Austria
+43](/country-codes/austria/)

[Belgium
+32](/country-codes/belgium/)

[Canada
+1](/country-codes/canada/)

[France
+33](/country-codes/france/)

[Germany
+49](/country-codes/germany/)

[India
+91](/country-codes/india/)

[Indonesia
+62](/country-codes/indonesia/)

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