Aberdeen Proving Ground, MD is a city located in Harford County, Maryland and has a land area of 33.35 square miles (86.38 km2). The water area for the city is 1.03 square miles or 2.67 km2. There is one unique zip code in Aberdeen Proving Ground, Maryland and it is 21005. The area code(s) for Aberdeen Proving Ground is 667/443.
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