Callao is a station on Line D of the Buenos Aires Underground. The station was opened on 23 February 1940 as part of the extension of Line D from Tribunales to Palermo.
It is located at the intersection of avenues Córdoba and Callao.

Callao is a station on Line D of the Buenos Aires Underground. The station was opened on 23 February 1940 as part of the extension of Line D from Tribunales to Palermo.
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Callao is a station on Line D of the Buenos Aires Underground. The station was opened on 23 February 1940 as part of the extension of Line D from Tribunales to Palermo.
It is located at the intersection of avenues Córdoba and Callao.