Marriottsville, MD

ZIP code 21104 is located in Maryland, specifically in the town of Marriotsville. This area is home to notable landmarks such as the historic Marriottsville Stone Arch Bridge, which dates back to the early 1800s and spans the Patapsco River. The zip code also encompasses the Patapsco Valley State Park, offering residents and visitors opportunities for outdoor recreation and scenic views along the Patapsco River.