Area Code 38 – Minas Gerais
The phone area code for Minas Gerais is 38 (international format +5538). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 38
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Minas Gerais
Overview of Area Code 38
Area code 38 is a geographic National Destination Code (NDC) within the Brazilian national numbering plan, assigned to the north and northwest regions of the state of Minas Gerais. This area code covers a vast territory that includes the Jequitinhonha Valley, the Mucuri Valley, and parts of the Central and Triângulo Mineiro regions. The administrative hub is the city of Montes Claros, which serves as the primary economic and population center. Other significant cities within this code include Governador Valadares, Teófilo Otoni, Diamantina, Janaúba, and Pirapora.
Geographically, the region is characterized by a mix of urban centers and rural areas, with economic activities ranging from agriculture and mining to services and education. The area is well-connected by federal and state highways, and Montes Claros is served by an airport with domestic flights.
Dialing Formats
When dialing a number within area code 38, the standard national subscriber number is 8 digits long (excluding the leading trunk prefix and area code). The complete national dialing format is:
- Local call (within the same area code): Dial only the 8-digit subscriber number (e.g., 3221-0000).
- Long-distance call within Brazil (from another area code): Dial 0 + carrier code + 38 + subscriber number (e.g., 0 15 38 3221-0000). The carrier code (e.g., 15 for Vivo, 21 for Embratel) may vary by operator.
- International call to Brazil: Dial your country's international access prefix (e.g., 011 from the US/Canada, 00 from many European countries) followed by 55 (Brazil's country code), then 38 and the 8-digit subscriber number (e.g., 011 55 38 3221-0000).
For callers within Brazil, the trunk prefix 0 is used before the carrier code for long-distance calls. For international callers, the +55 country code replaces the trunk prefix and carrier code.
Regulatory and Technical Notes
Area code 38 is regulated by ANATEL (Agência Nacional de Telecomunicações), Brazil's telecommunications regulatory authority. As of the latest numbering plan updates, there are no overlay codes planned for this region, meaning that the 8-digit numbering capacity is sufficient for the current demand. However, as with all Brazilian geographic codes, number portability is available, allowing subscribers to retain their numbers when changing operators within the same area code.
For businesses and individuals, it is essential to use the correct dialing format to ensure successful call completion. When receiving calls from abroad, the caller must include the country code and area code, omitting the leading zero of the area code if present (though in Brazil, area codes do not have a leading zero; the trunk prefix is separate).
In summary, area code 38 serves a large and diverse region of Minas Gerais, with Montes Claros as its principal city. Understanding the dialing procedures is crucial for both domestic and international communication.