Exhibit 8.1
LIST OF CERTAIN SUBSIDIARIES OF AMÉRICA MÓVIL, S.A.B. DE C.V.
As of December 31, 2023
| Name of Company | Jurisdiction | Ownership Interest |
Main Activity | |||||
| Sercotel, S.A. de C.V. |
Mexico | 100.0 | Holding Company | |||||
| CGTEL, S.A.P.I. de C.V. |
Mexico | 100.0 | Holding Company | |||||
| Radiomóvil Dipsa, S.A. de C.V. (Telcel) |
Mexico | 100.0 | Wireless | |||||
| Teléfonos de México, S.A.B. de C.V. |
Mexico | 98.8 | Fixed-line | |||||
| AMOV I, S.A. de C.V. |
Mexico | 100.0 | Holding Company | |||||
| Controladora de Servicios de Telecomunicaciones, S.A. de C.V. |
Mexico | 100.0 | Holding Company | |||||
| Claro Telecom Participações S.A. |
Brazil | 100.0 | Holding Company | |||||
| Claro S.A. (Claro Brasil) |
Brazil | 99.6 | Fixed-line/Wireless | |||||
| Comunicación Celular S.A. (Comcel) |
Colombia | 99.5 | Wireless | |||||
| A1 Telekom Austria AG |
Austria | 58.4 | Fixed-line/Wireless | |||||