Smithfield, WV is a city located in Wetzel County, West Virginia and has a land area of 29.15 square miles (75.50 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Smithfield, West Virginia and it is 26437. The area code(s) for Smithfield is 304/681.
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