Area Code 2284 – Olavarría, Buenos Aires
The phone area code for Olavarría, Buenos Aires is 2284 (international format +542284). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2284
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Olavarría, Buenos Aires
Overview of Area Code 2284
Area code 2284 is a geographic National Destination Code (NDC) assigned to the city of Olavarría and its surrounding localities within the province of Buenos Aires, Argentina. This code is part of the national numbering plan administered by the Ente Nacional de Comunicaciones (ENACOM) under ITU-T E.164 guidelines. The region is located in the central-southwest of Buenos Aires Province, approximately 350 km from the federal capital, and serves as an important industrial and agricultural hub.
Geographic Coverage and Jurisdiction
The 2284 area code covers Olavarría and nearby towns such as Sierras Bayas, Hinojo, Colonia Hinojo, Loma Negra, and Sierra Chica. These localities fall under the administrative jurisdiction of the Partido de Olavarría. The area is known for its cement production, mining, and agro-livestock activities. The code is classified as a geographic number, meaning it is tied to a specific physical location, and calls are routed based on the caller's and callee's locations.
Dialing Formats and Instructions
For local callers within the same area code, the national subscriber number is typically 7 digits long. To call from another Argentine city, you must dial the national trunk prefix 0, followed by the area code 2284, and then the subscriber number. For example, to call a landline in Olavarría from Buenos Aires City, dial: 0 2284 1234567.
For international callers, the format is: +54 2284 1234567. The plus sign represents the international access code, 54 is Argentina's country calling code, and 2284 is the area code. Note that the leading '0' of the national trunk prefix is omitted when dialing from abroad.
Overlay and Numbering Considerations
As of the latest ENACOM updates, there is no overlay code for 2284; it remains the sole geographic area code for Olavarría. However, due to the growth of mobile and VoIP services, some subscribers may have numbers that appear with different formats, but landline numbers under 2284 are fixed-line services. When dialing from a mobile phone within Argentina, the same national format applies (0-2284-XXXXXXX). For calls from outside Argentina, always use the international format to ensure proper routing.
Practical Tips for Callers
If you are a foreign caller, ensure you have the correct country code (+54) and area code (2284) before dialing. If you are calling from a VoIP service, you may need to include the international prefix required by your provider. For local businesses, it is common to list numbers as (02284) XXX-XXXX, where the leading 0 is used for national calls. Always verify the number length (7 digits) to avoid misdialing.