1. The Central Post Office in Santiago, also known as \"Correo Central\" in Spanish, is a historic building constructed between 1881 and 1908. It was designed by Alfredo Azancot, a Chilean architect who incorporated elements of Gothic and Italian Renaissance architecture into the building’s facade.

Inside, the post office has a large central hall with a glass ceiling and marble floors, which was once used as a mail sorting room. Today, the hall is often used for cultural events and exhibitions.

The Central Post Office also has a small museum on the second floor, which showcases the history of Chilean postal service and displays vintage stamps and mailboxes.

2. The working hours for the Central Post Office are Monday-Friday from 8:30 am to 7:00 pm, and Saturdays from 9:00 am to 2:00 pm. The phone number for the post office is +56 2 2390 9000.

3. The Central Post Office is located in the historic center of Santiago, within walking distance of several metro stations, including Plaza de Armas and Bellas Artes. There are also several public buses and taxis that stop nearby. There is no admission fee to enter the post office or its museum.