Clarendon Hills, IL is a city located in Dupage County, Illinois and has a land area of 2.04 square miles (5.28 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Clarendon Hills, Illinois and it is 60514. The area code(s) for Clarendon Hills is 630/312/847/708.
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