Area Code 232 – Viseu
The phone area code for Viseu is 232 (international format +351232). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 232
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Viseu
Geographic Overview
The +351 232 area code is a geographic National Destination Code (NDC) assigned to the district of Viseu, located in the Norte region of Portugal. This code covers the city of Viseu and its surrounding municipalities, including but not limited to São Pedro do Sul, Vouzela, Tondela, Carregal do Sal, and Santa Comba Dão. The area is known for its historical significance, wine production (Dão DOC), and as a major inland economic hub.
Dialing Formats
When dialing a number within Portugal, the national trunk prefix '0' is used before the area code. Therefore, a local number in Viseu is dialed as 0 232 XXX XXX (where X represents the subscriber number). For international callers, the format is +351 232 XXX XXX or 011 351 232 XXX XXX from North America. The total number length after the country code is 9 digits, including the NDC (232) and a 6-digit subscriber number.
Local vs. International Calls
Within Portugal, callers must always include the area code when dialing from a different geographic region. However, within the same local area, it is possible to dial only the 6-digit subscriber number, depending on the operator's local dialing rules. For international callers, the leading '0' is omitted, and the country code +351 is used.
Regulatory and Technical Notes
The 232 code is part of Portugal's closed numbering plan, meaning that all national numbers (fixed and mobile) have a fixed length of 9 digits. The code is administered by ANACOM, the Portuguese regulatory authority. As of recent years, number portability allows subscribers to retain their numbers when switching operators, but the geographic significance of the code remains for fixed-line services.
For businesses, having a Viseu number can establish a local presence and build trust with regional customers. Calls to 232 numbers are typically charged at standard national rates, and there are no special premium charges unless otherwise specified by the service provider.
In summary, the +351 232 area code is essential for anyone needing to contact fixed-line services in the Viseu district. Whether you are a resident, a business, or an international caller, understanding the correct dialing format ensures seamless connectivity.