14139 -- U.S. ZIP code Municipality (1990): SOUTH WALES, New York All ZIPs for this municipality (1990): 14139 Population (2000): 2031 Housing Units (2000): 841 Land area (2000): 23.139488 sq. miles (59.930995 sq. km) Water area (2000): 0.037955 sq. miles (0.098304 sq. km) Total area (2000): 23.177443 sq. miles (60.029299 sq. km) Located within: New York (NY) Location: 42.716919 N, 78.539310 W