Area Code 45 – Temuco, Araucanía

Geographic Coverage and Administrative Jurisdiction

Area code 45 is a geographic National Destination Code (NDC) assigned to the Araucanía Region in southern Chile. Its principal city is Temuco, the regional capital, which serves as the primary economic and administrative hub. The code also covers the surrounding urban and semi-rural areas, including Padre Las Casas, Vilcún, Lautaro, and other localities within the province of Cautín. As a geographic code, it routes calls to fixed-line PSTN and VoIP services that are physically or administratively located within this region.

Dialing Formats and Caller Instructions

For local callers within Chile, the number format is 45 + 2XXXXXX (eight digits in total when including the area code). To call a Temuco landline from another city in Chile, you must dial the trunk prefix 0, then the area code and subscriber number: 0 45 2XXXXXX. For example, to reach a number in Temuco from Santiago, dial 0 45 2XXXXXX.

International callers must replace the trunk prefix with Chile's country calling code +56. Thus, the international format becomes +56 45 2XXXXXX. For instance, a caller from the United States would dial +56 45 2XXXXXX (or the appropriate international exit code, e.g., 011, followed by 56 45 2XXXXXX).

Numbering and Overlay Considerations

Chilean fixed-line numbers in geographic areas typically have a length of eight digits, including the area code. The subscriber number for area code 45 is seven digits, starting with 2 (e.g., 45 2XXXXXX). Currently, there is no overlay code for Temuco; the area code 45 is exclusive to the Araucanía Region. However, as with all Chilean geographic codes, the National Numbering Plan may introduce overlays or other changes in the future to accommodate growing demand.

Caller Instructions for Local and Foreign Callers

Local callers within the same area code can often dial the seven-digit subscriber number directly (without the area code) if their service provider supports local dialing. However, for clarity and to avoid misdialing, it is recommended to always use the full national format (0 45 2XXXXXX) when calling from a different region.

Foreign callers should note that Chilean numbers are always dialed in full international format, including the country code and area code, regardless of the destination's proximity. There is no need to drop any leading zeros because the international format uses +56 and omits the national trunk prefix (0).

For businesses or individuals in Temuco, it is essential to display numbers in international format on websites and marketing materials to facilitate calls from abroad: +56 45 2XXXXXX.