Area Code 3837 – Tinogasta, Catamarca
The phone area code for Tinogasta, Catamarca is 3837 (international format +543837). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3837
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Tinogasta, Catamarca
Geographic Overview
The +54 3837 numbering block is a geographic National Destination Code (NDC) assigned under the Argentine national numbering plan, conforming to ITU-T E.164 standards. It serves the Tinogasta Department in the western part of Catamarca Province, Argentina. Tinogasta is a key administrative and commercial hub in the region, located near the Chilean border and the Andes mountain range. The code covers the city of Tinogasta (the departmental capital) as well as surrounding rural localities, including Fiambalá, El Puesto, La Puntilla, and Anillaco (note: some nearby towns may have different codes).
Dialing Format
When calling a fixed-line number in Tinogasta from within Argentina, the national trunk prefix 0 is used, followed by the area code 3837 and the subscriber number (typically 6 digits). The full national dialing format is:
- 0-3837-XXXXXX (e.g., 0-3837-412345)
For international callers, the Argentine country code +54 is used, followed by the area code (without the leading 0) and the subscriber number:
- +54-3837-XXXXXX (e.g., +54-3837-412345)
When dialing locally within the same area code, the area code may be omitted, but it is always required for calls from other regions or countries.
Administrative and Regulatory Context
Argentina's numbering plan is administered by the Ente Nacional de Comunicaciones (ENACOM). The 3837 code is classified as a geographic number, meaning it is tied to a physical location. Calls to these numbers are typically routed over the PSTN or VoIP networks, and the cost is generally lower for local calls. As with all geographic codes, number portability may allow subscribers to retain their number when moving within the same rate center, but the code remains associated with the Tinogasta area for routing purposes.
Practical Guidance for Callers
For local callers within Tinogasta, simply dial the subscriber number (6 digits) if your phone is configured for local dialing. For callers from other Argentine provinces, always include the trunk prefix 0 and the area code. International callers should replace the 0 with the +54 country code. Be aware that mobile numbers in Argentina are not prefixed with 3837; they use the mobile-specific codes 15 or 11-digit numbers starting with 9. Therefore, 3837 is exclusively for fixed lines.