Riva, MD

ZIP code 21140 is located in Severn, Maryland. Within this area, one of the most significant landmarks is Fort George G. Meade, a United States Army installation that houses various military and government agencies. Additionally, the National Cryptologic Museum, which showcases the history of cryptology and code-breaking, is also located within this ZIP code. Residents and visitors can explore the rich military history and technological advancements of these prominent landmarks.