Aberdeen Proving Ground, MD

ZIP code 21005 is located in Aberdeen Proving Ground, Maryland. This area is home to the U.S. Army's oldest active proving ground, known for its rigorous testing of military equipment. The ZIP code encompasses various facilities such as the Edgewood Chemical Biological Center and the U.S. Army Test and Evaluation Command. Additionally, it is close to the Aberdeen Proving Ground–Edgewood Area Superfund site, a designated hazardous waste cleanup area.