Area Code 3743 – Puerto Rico, Misiones
The phone area code for Puerto Rico, Misiones is 3743 (international format +543743). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3743
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Puerto Rico, Misiones
Overview of Area Code 3743
Area code 3743 is a geographic National Destination Code (NDC) assigned to the city of Puerto Rico and its surrounding localities in the province of Misiones, Argentina. This region is part of the Argentine numbering plan administered under the ITU-T E.164 standard, with the country calling code +54. The code serves the northeastern part of Argentina, near the Paraná River, and is an integral part of the country's PSTN and mobile networks.
Geographic Coverage and Jurisdiction
The 3743 area code covers the municipality of Puerto Rico and nearby towns, including Capioví, Ruiz de Montoya, and Garuhapé. Administratively, these localities fall under the jurisdiction of the Province of Misiones, which borders Paraguay and Brazil. The region is known for its agricultural production and the Paraná River's scenic attractions.
Dialing Formats
For local calls within the same area code, subscribers typically dial the 7-digit subscriber number without the area code. However, for calls from other Argentine cities or from abroad, the full international format is required.
- Local dialing (within 3743): 4XX XXXX
- National long-distance dialing (within Argentina): 0 3743 4XX XXXX
- International dialing (from outside Argentina): +54 3743 4XX XXXX
For example, a local number might be 456 7890. To call this number from Buenos Aires, you would dial 0 3743 456 7890. From the United States, you would dial 011 54 3743 456 7890 (or +54 3743 456 7890 from a mobile phone).
Overlay and Numbering Considerations
As of the latest updates, there is no overlay code for 3743; the area code is unique to this region. Subscriber numbers are 7 digits long, and the total length of a national significant number (NSN) is 10 digits (including the area code but excluding the trunk prefix '0').
Caller Instructions
For callers within Puerto Rico, simply dial the local number. For callers in other parts of Argentina, you must include the trunk prefix 0 followed by the area code 3743 and the subscriber number. For international callers, replace the trunk prefix with the country code +54 and omit the leading '0'. Always verify the current dialing rules with your telecom provider, as some VoIP services may require different formats.