Hagerstown, MD

ZIP code 21741 encompasses Fort Detrick in Frederick, Maryland. This U.S. Army Medical Command installation is a key research facility for biodefense, medical countermeasure development, and infectious disease research. Fort Detrick is also home to the National Interagency Biodefense Campus, where multiple government agencies collaborate on biodefense initiatives. The area surrounding the base is characterized by a mix of residential neighborhoods and commercial establishments.