Millstone, WV is a city located in Calhoun County, West Virginia and has a land area of 9.97 square miles (25.82 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Millstone, West Virginia and it is 25261. The area code(s) for Millstone is 304/681.
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