Clarkia, ID is a city located in Shoshone County, Idaho and has a land area of 24.31 square miles (62.96 km2). The water area for the city is 0.04 square miles or 0.10 km2. There is one unique zip code in Clarkia, Idaho and it is 83812. The area code(s) for Clarkia is 208.
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