Chillicothe, MO is a city located in Livingston County, Missouri and has a land area of 238.58 square miles (617.92 km2). The water area for the city is 2.77 square miles or 7.17 km2. There is one unique zip code in Chillicothe, Missouri and it is 64601. The area code(s) for Chillicothe is 660.
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