Bel Air, MD is a city located in Harford County, Maryland and has a land area of 45.17 square miles (116.99 km2). The water area for the city is 0.29 square miles or 0.75 km2. There are 2 total unique zip codes in Bel Air, Maryland. The area code(s) for Bel Air is 443/410/667.
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