Churchville, MD is a city located in Harford County, Maryland and has a land area of 12.86 square miles (33.31 km2). The water area for the city is 0.05 square miles or 0.13 km2. There is one unique zip code in Churchville, Maryland and it is 21028. The area code(s) for Churchville is 443/410/667.
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