This building, located in the center of the historic center of Mexico City, was established in 1907 as a post office, when the post office there became a separate government entity, its architectural design was considered the most modern at that time, and later it was rehabilitated to become a museum in which the most important means of display Communication and correspondence used at the time, from old postage stamps, as well as telegraphs, a visit to this lavishly decorated museum, and astonishing architectural design is definitely a part you can't miss from your visit to Mexico!