25841 -- U.S. ZIP code Municipality (1990): FLAT TOP, West Virginia All ZIPs for this municipality (1990): 25841 Population (2000): 498 Housing Units (2000): 243 Land area (2000): 28.125273 sq. miles (72.844119 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 28.125273 sq. miles (72.844119 sq. km) Located within: West Virginia (WV) Location: 37.557975 N, 81.095375 W