Area Code 2656 – Merlo, San Luis
The phone area code for Merlo, San Luis is 2656 (international format +542656). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2656
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Merlo, San Luis
Overview of Area Code 2656
Area code 2656 is a geographic National Destination Code (NDC) within the Argentine numbering plan, assigned to the city of Merlo and its surrounding areas in the San Luis Province. This region is part of the Cuyo region of Argentina, known for its semi-arid landscapes and agricultural activities. The code covers the administrative jurisdiction of the Junín Department, with Merlo as the principal urban center. Other localities served by this code include Carpintería, Los Molles, and Villa de Merlo.
Dialing Formats
When calling a fixed-line number in Merlo from within Argentina, the standard national trunk prefix 0 is used, followed by the area code and the subscriber number. The local subscriber number length is 6 digits, making the complete national significant number (NSN) 10 digits (excluding the trunk prefix). For example, a local number might be 456789.
- National call (from within Argentina): Dial
0 2656 456789. - International call (from outside Argentina): Dial your country's exit code, then
54 2656 456789(country code 54, area code 2656, subscriber number). - Local call (within Merlo): Dial only the 6-digit subscriber number, e.g.,
456789.
Overlay and Numbering Considerations
As of the latest ITU-T E.164 allocation data, area code 2656 does not have an overlay code. The numbering area is served exclusively by this code, and no additional area codes have been assigned for the same geographic region. This simplifies dialing procedures, as there is no need for 10-digit dialing within the local area. However, callers should always verify the current dialing instructions with their service provider, as local number portability may affect routing.
Caller Instructions
For callers within Argentina, always include the trunk prefix 0 when dialing from a different area code. For international callers, omit the trunk prefix and use Argentina's country code +54. For example, a caller from the United States would dial 011 54 2656 456789. Mobile users in Argentina may need to include the area code even for local calls, depending on their carrier's settings.
This area code is part of the public switched telephone network (PSTN) and is also used for VoIP services that provide geographic numbers. When dialing from abroad, ensure you have the correct international exit code for your country.