Area Code 3878 – Orán, Salta
The phone area code for Orán, Salta is 3878 (international format +543878). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3878
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Orán, Salta
Overview of Area Code 3878
Area code 3878 is a geographic National Destination Code (NDC) assigned to the city of Orán and its surrounding localities in the province of Salta, Argentina. It forms part of the national numbering plan under the country's country calling code +54. The code serves the northern region of Salta, near the border with Bolivia, and is administered by the Argentine telecommunications regulator (ENACOM).
Geographic Coverage and Jurisdiction
The 3878 area code covers the department of Orán, with the principal urban center being San Ramón de la Nueva Orán, commonly known as Orán. Other towns and rural areas within the same NDC include Pichanal, Hipólito Yrigoyen, and Aguas Blancas, among others. This region is part of the larger Salta province, which is known for its subtropical climate and agricultural production.
Dialing Formats and Instructions
When dialing a fixed-line number in the 3878 area code, the national subscriber number consists of the area code followed by a 6-digit local number (e.g., 3878 42-1234). For local calls within the same area code, callers may dial only the 6-digit number (without the area code). For calls from other parts of Argentina, the full national format is 0 3878 42-1234, where the leading 0 is the national trunk prefix. For international callers, the format is +54 3878 42-1234 (drop the trunk prefix 0).
Overlay and Numbering Considerations
As of the latest ENACOM data, there is no overlay code for 3878; the area code is unique to the Orán region. However, due to the growth of mobile and VoIP services, number portability allows subscribers to retain their numbers when changing providers, but the geographic significance of the code remains for fixed-line services. Callers should always verify the complete number, as misdialing the area code can route calls to other Salta regions such as Salta Capital (387) or Tartagal (3873).
Practical Usage for Businesses and Residents
Businesses in Orán often list their numbers with the area code to facilitate national and international contact. For customer service lines, it is advisable to display the number in international format (+54 3878 ...) to avoid confusion for overseas clients. When traveling, visitors should note that calls to 3878 numbers are treated as domestic calls within Argentina, and rates may vary depending on the carrier and the caller's location.