Telefonos de Mexico SAB de CV
TELMEXL.MX
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- Telefonos de Mexico SAB de CV (Telmex) is a leading Mexican telecommunications company that provides fixed-line telephone services, broadband Internet access through its Infinitum brand, data transmission, hosted services, IT solutions, mobile telephony, value-added services, and integrated telecommunications offerings including corporate networks, cyber intelligence, cloud services, and business applications. The company operates an extensive network comprising nearly 75,000 kilometers of optical fiber connecting major cities across Mexico, along with submarine cables such as the recently launched TMX5 cable spanning 383 kilometers across the Gulf of California to link Baja California Sur and Sinaloa, enhancing regional connectivity, resilience against natural disasters, and support for sectors like tourism, commerce, education, and healthcare. Telmex serves individual consumers, small and medium enterprises, and large corporations, maintaining dominant market positions with approximately 90% of telephone lines in Mexico City and 80% nationwide. Founded in 1947 and headquartered at Parque Via Num. 198 in Mexico City's Cuauhtemoc district, Telmex primarily focuses on the Mexican market but has historically extended operations to countries including Argentina, Brazil, Chile, Colombia, Peru, Ecuador, and the United States through subsidiaries and acquisitions. The company is a wholly owned subsidiary of America Movil, following the parent's acquisition of full control in 2011 after purchasing majority stakes starting in 2010. It competes in the integrated telecommunications services sector, offering domestic and international long-distance communication, video transmission, interconnection services to other operators, and sales of telephone and computer equipment. In recent developments, Telmex inaugurated the TMX5 submarine cable in 2025 with a USD 25 million investment, bolstering infrastructure for voice, data, and video services amid growing digital demand. The company strengthened its cloud capabilities through an ongoing strategic partnership with Oracle, enabling TELMEX-Triara to expand hyperscale cloud region offerings and support digital transformation for public and private organizations via high-capacity fiber optic networks exceeding 550,000 kilometers. Telmex continues to invest in nationwide data center expansions, including a new facility in northeastern Mexico set for operation by 2026, to enhance digital industry growth and service reliability.