Callaway, MD

ZIP code 20620 covers the area of Barstow, Maryland. This rural community is known for its picturesque landscapes and historic sites, including the Seminary at Barstow, a former school converted into luxury apartments. The Patuxent River State Park, offering hiking trails and scenic views, is another prominent landmark in the area. With its charming small-town atmosphere and natural beauty, ZIP code 20620 is a hidden gem in southern Maryland.