América Móvil is the largest telecom carrier in Latin America, serving about 335 million wireless customers across the region. It also provides fixed-line phone, internet access, and television services in most of the countries it serves. Mexico is the firm's largest market, providing about 35% of service revenue. Móvil dominates the Mexican wireless market with about 60% customer share and also serves about half of the country's fixed-line internet access customers. Brazil, its second-most important market, accounts for about 20% of service revenue. Móvil sold its low-margin wireless resale business in the US to Verizon in 2021 and now owns a 1.4% stake in the US telecom giant. The firm also holds a 61% stake in Telekom Austria.

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