Area Code 3834 – San Fernando del Valle de Catamarca, Catamarca
The phone area code for San Fernando del Valle de Catamarca, Catamarca is 3834 (international format +543834). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3834
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of San Fernando del Valle de Catamarca, Catamarca
Overview of Area Code 3834
Area code 3834 is a geographic National Destination Code (NDC) assigned to the city of San Fernando del Valle de Catamarca, the capital of the Catamarca Province in northwestern Argentina. This code is part of the Argentine national numbering plan, which adheres to ITU-T E.164 recommendations. The region served by 3834 encompasses the capital city and its surrounding metropolitan area, including neighborhoods such as Villa Cubas, Maipú, and San Nicolás, as well as nearby towns like Valle Viejo and Fray Mamerto Esquiú that fall within the local calling area.
Dialing Formats
When calling a fixed-line number in Catamarca from within Argentina, the subscriber number is typically 7 digits long, and the full national format is 0-3834-XXXXXXX. The leading 0 is the trunk prefix used for domestic long-distance calls. For example, to call a local number such as 4567890 from Buenos Aires, you would dial 0 3834 4567890.
For international callers, the Argentine country code is +54, and the trunk prefix 0 is omitted. The international dialing format becomes +54 3834 XXXXXXX. For instance, from the United States, you would dial 011 54 3834 4567890 (or +54 3834 4567890 from a mobile phone).
Local Call Considerations
Within the 3834 area, calls between landlines are considered local and do not require the area code if dialing from a fixed line in the same area. However, due to number portability and the proliferation of mobile phones, it is common practice to always dial the full national number, including the area code, to ensure proper routing. Mobile numbers in Argentina are 10 digits long and begin with 15 after the area code when dialed domestically (e.g., 0 3834 15-XXXXXXX), but the international format is +54 9 3834 XXXXXXX.
Regulatory and Technical Notes
The Argentine communications regulator, ENACOM, oversees the allocation of geographic area codes. As of the latest updates, there are no overlay codes for 3834, meaning the area code is unique to this region. The numbering plan is closed, and all calls, including local ones, require the full 10-digit national number (area code + subscriber number) when dialed from mobile networks. This is part of the national plan to harmonize dialing procedures across the country.