Rockville, MD

ZIP code 20857 is home to the National Institutes of Health (NIH) and Walter Reed National Military Medical Center in Bethesda, Maryland. This area is a hub of medical research and healthcare innovation, housing top-notch facilities dedicated to advancing medicine and serving the healthcare needs of the military. Additionally, the zip code includes various biomedical research institutions and government agencies, making it a significant center for healthcare and scientific advancements.