Area Code 223 – Mar del Plata, Buenos Aires
The phone area code for Mar del Plata, Buenos Aires is 223 (international format +54223). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 223
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Mar del Plata, Buenos Aires
Overview of Area Code 223
Area code 223 is a geographic numbering plan area (NPA) within the Argentine national numbering plan, governed by the Ente Nacional de Comunicaciones (ENACOM) under ITU-T E.164 recommendations. It serves the coastal city of Mar del Plata and its surrounding localities in the southeastern part of Buenos Aires Province. Mar del Plata is one of Argentina's primary tourist destinations and a significant commercial and fishing port, which influences the demand for both fixed-line and mobile services in the region.
Geographic Coverage and Jurisdiction
The 223 area code covers the General Pueyrredón Partido, including the urban area of Mar del Plata and adjacent towns such as Batán, Sierra de los Padres, and Chapadmalal. Administratively, these localities fall under the jurisdiction of the Buenos Aires Province, but they are distinct from the metropolitan area code 11 that serves the Autonomous City of Buenos Aires and its suburbs.
Dialing Formats
For local calls within the 223 area code, subscribers typically dial the 7-digit subscriber number directly (e.g., 495-1234). However, due to the increasing number of lines and the implementation of overlay codes in some regions, it is advisable to confirm local dialing procedures with your service provider.
For national long-distance calls from other Argentine area codes, the format is:
- 0 (trunk prefix) + 223 + 7-digit subscriber number
Example: To call a Mar del Plata number (495-1234) from Buenos Aires City, dial 0223 495-1234.
For international calls from outside Argentina, the format is:
- +54 (country code) + 223 + 7-digit subscriber number (drop the leading 0)
Example: From the United States, dial +54 223 495-1234.
Overlay and Numbering Considerations
As of the latest ENACOM updates, area code 223 does not have an overlay code; it remains a standalone geographic code. However, the rapid growth of mobile and fixed-line services has led to number exhaustion concerns. ENACOM periodically reviews numbering resources, and future overlays or changes may be introduced. Users should always verify the current dialing rules with their carrier.
Caller Instructions
Local callers within Mar del Plata should dial the 7-digit number directly. National callers from other Argentine provinces must include the trunk prefix 0 and the area code 223. International callers must use the +54 country code, followed by 223 and the 7-digit subscriber number, omitting the initial 0. For mobile numbers in the region, note that they use the same area code but are non-geographic; always include the full 10-digit mobile number (area code + subscriber number) when dialing from any phone.