Area Code 2345 – 25 de Mayo, Buenos Aires

Overview of Area Code 2345

Area code 2345 is a geographic National Destination Code (NDC) assigned to the city of 25 de Mayo and its surrounding rural districts in 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-northern part of Buenos Aires Province, approximately 250 km from the national capital, Buenos Aires City. The service area includes the urban center of 25 de Mayo and smaller localities such as Norberto de la Riestra, Pedernales, and San Enrique, which are within the same local calling area.

Dialing Formats

When calling a fixed-line subscriber in 25 de Mayo from within Argentina, you must dial the trunk prefix 0, followed by the area code 2345, and then the subscriber number. Local numbers in this area consist of 6 digits, making the complete domestic format 0 2345 XXX XXX. For example, to reach a local number 456789, you would dial 02345 456789 from any other part of Argentina.

For international callers, the country code for Argentina is +54. You must omit the trunk prefix 0 and dial +54 2345 XXX XXX. For instance, from the United States, you would dial 011 54 2345 456789. Note that the subscriber number length is always 6 digits, and the area code is always 4 digits, resulting in a total national significant number length of 10 digits (excluding the trunk prefix).

Geographic Coverage and Administration

25 de Mayo is the head of the homonymous partido (administrative district) in Buenos Aires Province. The area code covers the entire district, which is primarily agricultural, with the city serving as a commercial and administrative hub. The region is served by fixed-line telephony provided by cooperativas and licensed operators, and it is not subject to overlay codes; the area code 2345 is exclusively used for this geographic area.

Caller Instructions

• Local calls within 25 de Mayo: If you are calling from another number within the same area code, you can dial the 6-digit subscriber number directly without the area code or trunk prefix. For example, dial 456789.
• National long-distance calls: From any other city in Argentina, dial 0 2345 456789.
• International calls: From abroad, dial your country's exit code, then 54 2345 456789.

It is important to note that mobile numbers in Argentina are not prefixed by geographic area codes in the same way; they use the mobile NDC 11, 22, etc., but this is not applicable to fixed-line numbers in 25 de Mayo. Always verify the number length and prefix before dialing to avoid misdialing.