Area Code 3715 – Las Lomitas, Formosa
The phone area code for Las Lomitas, Formosa is 3715 (international format +543715). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3715
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Las Lomitas, Formosa
Overview of Area Code 3715
Area code 3715 is a geographic National Destination Code (NDC) assigned to the town of Las Lomitas and its surrounding areas in the province of Formosa, Argentina. This code is part of the national numbering plan administered by the Ente Nacional de Comunicaciones (ENACOM), following ITU-T E.164 recommendations. The region is located in the western part of Formosa Province, near the border with the province of Salta, and serves as a commercial and administrative hub for the local departments of Bermejo and Patiño.
Geographic Coverage and Dialing Formats
The 3715 area code covers Las Lomitas and several smaller localities within a radius of approximately 50 kilometers, including communities such as El Chorro, Pozo de Maza, and others along National Route 81. The local telephone network is fully digitalized, supporting both fixed-line PSTN and VoIP services. For local calls within the same area code, subscribers typically dial the seven-digit subscriber number directly. However, for calls originating from other area codes within Argentina, the trunk prefix 0 must be dialed, followed by the area code and the subscriber number. For international callers, the Argentine country code +54 is used, omitting the trunk prefix.
Dialing Examples
- Local call (within 3715): Dial XXXXXXX (7-digit subscriber number).
- National call from Buenos Aires (011): Dial 0-3715-XXXXXXX.
- International call from the USA: Dial 011-54-3715-XXXXXXX.
- International call from a mobile phone: Dial +54-3715-XXXXXXX.
Administrative and Regulatory Aspects
As a geographic code, 3715 is tied to the physical location of the subscriber's line. Number portability is available for fixed lines, allowing users to retain their numbers when changing service providers within the same geographic area. The area code is not overlaid with any other code, meaning that local calls do not require an additional area code. However, as Argentina transitions to all-IP networks, some operators may route calls over VoIP, but the dialing format remains unchanged for end users.
For businesses and residents in Las Lomitas, having a local geographic number enhances trust and accessibility. International callers should be aware of time zone differences (ART, UTC-3) and potential peak-hour surcharges when calling from certain countries. Always verify the current dialing rules with your telecom provider, as trunk prefix and area code usage may vary for mobile and VoIP services.