New Martinsville, WV is a city located in Wetzel County, West Virginia and has a land area of 113.91 square miles (295.03 km2). The water area for the city is 1.83 square miles or 4.74 km2. There is one unique zip code in New Martinsville, West Virginia and it is 26155. The area code(s) for New Martinsville is 304/681.
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