Barnesville, MD

ZIP code 20838 is located in Poolesville, Maryland. This rural area is home to the Monocacy National Battlefield, a historic site from the Civil War, featuring trails and monuments. Also found within this ZIP code is the John Poole House, a landmark built in the early 18th century and now a museum showcasing local history. The area offers a mix of historical charm and natural beauty for residents and visitors alike.