Waldo, AR

ZIP code 71770 encompasses the city of Waldo in southern Arkansas. This area is known for its historical landmarks, including the Poison Springs Battlefield, a site from the Civil War. Other notable features in the region include the Marks' Mill State Park and the Prairie D'Ane Battlefield. With a population of around 1,300 residents, Waldo offers a small-town charm and rich history for visitors to explore.