Area Code 3434 – Paraná, Entre Ríos
The phone area code for Paraná, Entre Ríos is 3434 (international format +543434). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3434
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Paraná, Entre Ríos
Overview of Area Code 3434
Area code 3434 is a geographic National Destination Code (NDC) assigned to the city of Paraná, the capital of the province of Entre Ríos, Argentina. This code covers Paraná and its immediate metropolitan area, including neighboring localities such as Oro Verde, San Benito, and Colonia Avellaneda. Paraná is a major administrative and commercial hub, situated on the eastern bank of the Paraná River, opposite the city of Santa Fe.
Dialing Formats
When calling a landline in Paraná from within Argentina, you must dial the national trunk prefix 0, followed by the area code 3434 and the subscriber number (which is 6 to 7 digits long). The complete national format is: 0 3434 XXX XXX.
For international callers, the format is: +54 3434 XXX XXX, where +54 is Argentina's country calling code. The leading 0 is omitted when dialing from abroad.
Local and Long-Distance Calling
Within Paraná, local calls are made by dialing only the subscriber number (without the area code). For calls from other Argentine cities, you must include the trunk prefix and area code. For example, to call a Paraná number from Buenos Aires, you would dial: 0 3434 XXX XXX.
It is important to note that Argentina has implemented number unification for fixed and mobile services, but geographic area codes like 3434 remain in use for fixed lines. Mobile numbers in the region use the non-geographic prefix 343 (mobile NDC) followed by a 7-digit subscriber number, and are dialed as 0 343 XXX XXXX nationally or +54 343 XXX XXXX internationally.
Regulatory and Technical Notes
The Argentine telecommunications regulator, ENACOM, administers numbering resources under ITU-T E.164 recommendations. Area code 3434 is part of the national numbering plan, and its geographic allocation means that calls are routed based on the physical location of the line. However, with the advent of number portability, some fixed lines may be served by alternative carriers, but the geographic significance of the code remains for routing and emergency services.
For businesses and individuals in Paraná, using the correct dialing format is essential to ensure successful connectivity. Always verify the subscriber number length, as it can vary between 6 and 7 digits depending on the specific exchange and historical numbering assignments.