23141 -- U.S. ZIP code Municipality (1990): QUINTON, Virginia All ZIPs for this municipality (1990): 23141 Population (2000): 4903 Housing Units (2000): 1866 Land area (2000): 29.575520 sq. miles (76.600241 sq. km) Water area (2000): 0.291390 sq. miles (0.754697 sq. km) Total area (2000): 29.866910 sq. miles (77.354938 sq. km) Located within: Virginia (VA) Location: 37.506369 N, 77.151278 W