Hockessin, DE is a city located in New Castle County, Delaware and has a land area of 13.18 square miles (34.14 km2). The water area for the city is 0.02 square miles or 0.05 km2. There is one unique zip code in Hockessin, Delaware and it is 19707. The area code(s) for Hockessin is 302.
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