25173 -- U.S. ZIP code Municipality (1990): ROBSON, West Virginia All ZIPs for this municipality (1990): 25173 Population (2000): 927 Housing Units (2000): 423 Land area (2000): 29.267138 sq. miles (75.801535 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 29.267138 sq. miles (75.801535 sq. km) Located within: West Virginia (WV) Location: 38.072309 N, 81.245708 W