Frequently Asked Questions
Brazilian phone numbers follow specific formats based on their type. Landlines are (NN) NNNN-NNNN, mobiles are (NN) 9NNNN-NNNN, toll-free numbers are 0800 NNN-NNNN, and emergency numbers are NNN, where NN represents the two-digit area code.
Dial the international access code (011 from the USA), followed by Brazil's country code (+55), the two-digit area code, and the nine-digit subscriber number. Be sure to include the '+55' country code.
Brazil's country code is +55. This code is required when dialing Brazilian numbers from international locations.
Use regular expressions to validate Brazilian phone numbers. The article provides specific regular expressions for landlines, mobiles, toll-free, premium rate, shared cost, and emergency numbers to ensure accurate validation.
ANATEL (Agência Nacional de Telecomunicações) is the regulatory body responsible for allocating and managing phone numbers in Brazil. They ensure compliance with international standards and manage the national numbering plan.
Dial the two-digit area code followed by the eight-digit subscriber number. For example, to dial a landline in São Paulo (area code 11), you would dial (11) NNNN-NNNN.
The digit 9 distinguishes mobile numbers from landlines within Brazil's numbering plan. This helps in routing calls correctly and identifying the type of phone number being dialed.
The +55 country code is essential when making international calls to Brazil. It's also best practice to include it even when calling within Brazil from a foreign phone.
Yes, mobile number portability (MNP) has been available in Brazil since 2008. This allows users to switch service providers while keeping their existing mobile or fixed-line numbers.
Major telecom operators in Brazil include Claro, Vivo, TIM, and Oi. While they manage specific number ranges, those ranges are not publicly available.
To make international calls from Brazil, dial 00 followed by the carrier code, the destination country code, and the subscriber number. For instance, dialing to the USA would look like 00 21 1 NNN-NNN-NNNN.
Emergency numbers in Brazil are three digits long, such as 190 for the police. These numbers do not require area codes and are designed for quick access in emergencies.
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Brazil Phone Numbers: Format, Area Code & Validation Guide
Quick Reference
Overview
This guide offers a comprehensive analysis of Brazil's telephone numbering plan, detailing number formats, dialing procedures, and regulatory considerations. It is essential for telecom professionals, developers, and systems administrators to understand these aspects for effective communication and system integration.
Number Structure
General Number Structure
Number Format Breakdown
(NN) NNNN-NNNN(NN) 9NNNN-NNNN0800 NNN-NNNN0300 NNN-NNNNor0900 NNN-NNNN0400 NNN-NNNNNNNRegular Expressions for Validation
^\(?(1[1-9]|2[12478]|3[1-578]|4[1-9]|5[1-5]|6[1-9]|7[1-9]|8[1-9]|9[1-9])\)? ?[2-5]\d{3}-?\d{4}$^\(?(1[1-9]|2[12478]|3[1-578]|4[1-9]|5[1-5]|6[1-9]|7[1-9]|8[1-9]|9[1-9])\)? ?9\d{4}-?\d{4}$^0800 \d{3}-?\d{4}$^0(?:300|900) \d{3}-?\d{4}$^0400 \d{3}-?\d{4}$^\d{3}$Dialing Procedures
Domestic Calls
(11) 2345-6789(21) 91234-5678(31) 98765-4321International Calls
00followed by the carrier code, the destination country code, and the subscriber number. Example:00 21 1 234-567-8901(to the USA)011from the USA), followed by Brazil's country code+55, the area code, and the subscriber number. Example:+55 11 2345-6789Number Portability
Brazil implemented mobile number portability (MNP) in 2008, allowing users to retain their mobile or fixed-line numbers when switching between service providers. This process is regulated by ANATEL, ensuring a seamless transition between carriers.
Major Telecom Operators and Number Ranges
Major Operators
While specific number ranges assigned to each operator are not publicly disclosed, each carrier manages its own set of prefixes across different regions.
Number Allocation and Management
Regulatory Body
ANATEL is responsible for the allocation and management of phone numbers in Brazil. They ensure compliance with ITU-T recommendations and manage the national numbering plan.
Number Allocation
Numbers are allocated based on geographic regions and service types (e.g., landline, mobile, toll-free). Specific blocks are reserved for certain services, such as emergency numbers and premium rate services.
Recent Changes to the Numbering Plan
There have been no significant changes to Brazil's numbering plan in the past five years. However, the migration from iDEN to GSM/3G/4G networks has impacted the allocation and usage of mobile number ranges.
Technical Considerations
For Developers and Systems Administrators
+55) and removing any leading zeros from the area code or subscriber number.> Info: For the most up-to-date information on Brazil's telecommunications regulations, please consult the official website of ANATEL.
Conclusion
Understanding Brazil's telephone numbering plan is crucial for effective communication within the country and internationally. By adhering to the guidelines and formats provided in this guide, telecom professionals and developers can ensure compliance and optimize their systems for Brazilian phone numbers.