The Central Post Office is located in the Buenos Aires neighborhood, which is now known as the Nestor Kirchner Cultural Center. The building is designed in the neoclassical style of Beaux Arts, and it was built in a French architectural style where the features of the Second Empire appear, designed by the French architect Norbert Maillart, this building opened Central Post Office in 1928, and frequent budget cuts and design modifications delayed both the planning and construction process for nearly 40 years. The Post Office was declared a national heritage in 1997 due to its architectural style, historical significance, and distinctive artwork within the building.