Argentine FA president Claudio Tapia said in a video on X that coach Lionel Scaloni had called up the 39-year-old Messi "so that he can have the farewell he truly deserves... here in Argentina."
The game against Bolivia will take place in Cordoba, while River Plate's Monumental Stadium in Buenos Aires will stage the two fixtures against the African sides on October 3rd and 6th.
Last month, FIFA ordered Argentina to play their next home match with capacity reduced to 50 per cent for breaches of its disciplinary code relating to using a sports event for making demonstrations of a non-sporting nature.
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After Argentina beat England 2-1 in a tense World Cup semi-final in July, several players held up a banner saying: "The Falklands are Argentine".
The friendlies are also expected to count towards suspensions handed down following incidents after Argentina's World Cup final defeat by Spain.
Midfielder Leandro Paredes received a 10-match ban, while defender Nahuel Molina was suspended for seven games and Thiago Almada for one.
Messi in August ended a two-decade international career that included winning the 2022 World Cup and Copa America triumphs in 2021 and 2024.