Teléfonos de México, S.A.B. de C.V. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was MXN 24,919.907 million compared to MXN 22,685.513 million a year ago. Operating income was MXN 1,886.713 million compared to MXN 1,493.788 million a year ago. Net loss was MXN 1,536.294 million compared to MXN 1,867.210 million a year ago.