The historic Phone Company of Mexico is Telmex.
TEL MEX is a shortcut for Telephone Mexico,
in Spanish Teléfonos de México.
TelMex was founded in 1947 subsequently acquiring the Mexico division of Ericsson and of ITT Corp.
1972 the company was nationalised by the Mexican government.
1990 the company was bought by Carlos Slim Helu, France Telecom and Southwestern Bell
Telmex is the dominant fixed line provider in Mexico.
The company is a subsidary of America Movil founded in 2000 by Carlos Slim Helu.
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