Baltimore, MD

ZIP code 21223, located in Baltimore, Maryland, is home to several notable landmarks. The most prominent is the historic Union Square Park, a beautiful green space that dates back to the 19th century. Other important landmarks include the H. L. Mencken House, the former residence of the famous writer, and the B&O Railroad Museum, a must-visit for train enthusiasts. The area also features a diverse mix of residential homes and small businesses.