Waldo, AR

ZIP code 71770 belongs to Waldo, Arkansas. This rural town is home to the historic Washington Street Mounds, a prehistoric Native American ceremonial site. Another significant landmark in the area is the Arkansas Tuberculosis Sanatorium Historic District, which operated from 1910 to 1973. With a population of around 1,200 residents, Waldo offers a quiet and peaceful setting for those looking to escape the hustle and bustle of city life.